A. G. Kamalian, I. M. Spitkovsky, “On the Fredholm Property of a Class of Convolution-Type Operators”, Mat. Zametki, 104:3 (2018), 407–421; Math. Notes, 104:3 (2018), 404–416
T. Ehrhardt, I. M. Spitkovsky, “Factorization of piecewise constant matrix functions and systems of linear differential equations”, Algebra i Analiz, 13:6 (2001), 56–123; St. Petersburg Math. J., 13:6 (2002), 939–991
K. Kazarian, F. Soria, I. Spitkovsky, “The Riemann boundary value problem in spaces with a weight that
admits singularities”, Dokl. Akad. Nauk, 353:6 (1997), 717–719
I. M. Spitkovsky, A. M. Tashbaev, “Factorization of piecewise constant matrix functions with $3$
points of discontinuity in the classes $L_{p,\rho}$ and some of its
applications”, Dokl. Akad. Nauk SSSR, 307:2 (1989), 291–296; Dokl. Math., 40:1 (1990), 80–85
Yu. I. Karlovich, I. M. Spitkovsky, “Factorization of almost periodic matrix-valued functions and the Noether theory for certain classes of equations of convolution type”, Izv. Akad. Nauk SSSR Ser. Mat., 53:2 (1989), 276–308; Math. USSR-Izv., 34:2 (1990), 281–316
I. M. Spitkovskiĭ, A. M. Tashbaev, “On the efficient factorization of matrix functions”, Izv. Vyssh. Uchebn. Zaved. Mat., 1989, no. 4, 69–76; Soviet Math. (Iz. VUZ), 33:4 (1989), 85–93
I. M. Spitkovskiĭ, “Factorization of measurable matrix-functions in classes $L_{p,\rho}$ with power weigh”, Izv. Vyssh. Uchebn. Zaved. Mat., 1988, no. 5, 62–70; Soviet Math. (Iz. VUZ), 32:5 (1988), 78–88
9.
I. M. Spitkovsky, “On a vectorial Riemann boundary value problem with infinite defect numbers, and related factorization of matrix-valued functions”, Mat. Sb. (N.S.), 135(177):4 (1988), 533–550; Math. USSR-Sb., 63:2 (1989), 521–538
Yu. I. Karlovich, I. M. Spitkovsky, “On the theory of systems of equations of convolution type with semi-almost-periodic symbols in spaces of Bessel potentials”, Dokl. Akad. Nauk SSSR, 286:4 (1986), 799–803
I. M. Spitkovsky, “Generalized factorization of matrix-functions and the Riemann boundary value problem with infinite partial indices”, Dokl. Akad. Nauk SSSR, 286:3 (1986), 559–562
12.
I. M. Spitkovsky, “On asymptotics of determinants of block Toeplitz matrices in the locally sectorial case”, Zap. Nauchn. Sem. LOMI, 149 (1986), 76–92
1985
13.
I. M. Spitkovsky, “Szegő limit theorems in the case of a matrix locally sectorial symbol”, Dokl. Akad. Nauk SSSR, 284:1 (1985), 61–65
14.
I. M. Spitkovsky, S. I. Yatsko, “The Riemann boundary value problem whose matrix coefficient admits infinite partial indices”, Izv. Vyssh. Uchebn. Zaved. Mat., 1985, no. 6, 45–53; Soviet Math. (Iz. VUZ), 29:6 (1985), 55–65
A. L. Sakhnovich, I. M. Spitkovsky, “Block-Toeplitz matrices and associated properties of a Gaussian model on a half-axis”, TMF, 63:1 (1985), 154–160; Theoret. and Math. Phys., 63:1 (1985), 427–431
Yu. I. Karlovich, I. M. Spitkovsky, “On the Noetherian property of certain singular integral operators with matrix coefficients of class SAP and systems of convolution equations on a finite interval connected with them”, Dokl. Akad. Nauk SSSR, 269:3 (1983), 531–535
17.
I. M. Spitkovsky, “Factorization of certain classes of semi-almost-periodic matrix-functions and its applications to systems of equations of convolution type”, Izv. Vyssh. Uchebn. Zaved. Mat., 1983, no. 4, 88–94; Soviet Math. (Iz. VUZ), 27:4 (1983), 107–115
I. M. Spitkovsky, “Factorization of measurable matrix-valued functions and related problems in the theory of systems of singular integral equations and the vector Riemann boundary”, Differ. Uravn., 18:3 (1982), 487–498
19.
I. M. Spitkovsky, “A criterion for normality of operators in Hilbert space”, Funktsional. Anal. i Prilozhen., 16:2 (1982), 86–87; Funct. Anal. Appl., 16:2 (1982), 148–150
20.
G. S. Litvinchuk, I. M. Spitkovsky, “Sharp estimates of defect numbers of a generalized Riemann boundary value problem, factorization of hermitian matrix-valued functions and some problems of approximation by meromorphic functions”, Mat. Sb. (N.S.), 117(159):2 (1982), 196–215; Math. USSR-Sb., 45:2 (1983), 205–224
I. M. Spitkovsky, “Factorization of measurable matrix-valued functions and related problems in the theory of systems of singular integral equations and the vector Riemann boundary”, Differ. Uravn., 17:4 (1981), 697–709
G. S. Litvinchuk, I. M. Spitkovsky, “Sharp estimates of the defect numbers of the generalized Riemann boundary value problem”, Dokl. Akad. Nauk SSSR, 255:5 (1980), 1042–1046
I. M. Spitkovsky, “On block operators and related questions in the theory of factorization of matrix-valued functions”, Dokl. Akad. Nauk SSSR, 254:4 (1980), 816–820
I. M. Spitkovsky, “Some estimates for the partial indices of measurable matrix-valued functions”, Mat. Sb. (N.S.), 111(153):2 (1980), 227–248; Math. USSR-Sb., 39:2 (1981), 207–226
A. M. Nikolaichuk, I. M. Spitkovsky, “On the Riemann boundary-value problem with Hermitian matrix”, Dokl. Akad. Nauk SSSR, 221:6 (1975), 1280–1283
1974
32.
I. M. Spitkovsky, “Stability of partial indices of a Riemann boundary-value problem with a strictly nonsingular matrix”, Dokl. Akad. Nauk SSSR, 218:1 (1974), 46–49
A. V. Abanin, O. G. Avsyankin, V. I. Burenkov, B. G. Vakulov, S. K. Vodopyanov, M. L. Gol'dman, V. S. Guliev, I. M. Erusalimskyi, A. N. Karapetyants, M. I. Karyakin, V. M. Kokilashvili, A. G. Kusraev, E. R. Liflyand, A. V. Pskhu, V. S. Rabinovich, S. V. Rogozin, B. S. Rubin, A. P. Soldatov, I. M. Spitkovsky, V. D. Stepanov, Kh. G. Umarov, S. M. Umarkhadzhiev, “Stefan Grigorievich Samko (on the occasion of his 80th birthday)”, Vladikavkaz. Mat. Zh., 23:3 (2021), 126–129