A. G. Baskakov, I. A. Krishtal, N. B. Uskova, “On smoothing the operator coefficient of a first-order differential operator in a Banach space”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 206 (2022), 3–14
2.
A. G. Baskakov, G. V. Garkavenko, I. A. Krishtal, N. B. Uskova, “Method of similar operators in the problem of bi-invariant subspaces”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 204 (2022), 3–15
A. G. Baskakov, G. V. Garkavenko, I. A. Krishtal, N. B. Uskova, “The method of similar operators in the spectral analysis of infinite operator matrices. Examples II”, Applied Mathematics & Physics, 53:3 (2021), 205–212
2020
4.
A. G. Baskakov, I. A. Krishtal, N. B. Uskova, “On the spectral analysis of a differential operator with an involution and general boundary conditions”, Eurasian Math. J., 11:2 (2020), 30–39
A. G. Baskakov, I. A. Krishtal, N. B. Uskova, “The method of similar operators in the spectral analysis of infinite operator matrices. Examples I.”, Applied Mathematics & Physics, 52:3 (2020), 185–194
6.
A. G. Baskakov, I. A. Krishtal, N. B. Uskova, “The method of similar operators in the spectral analysis of infinite operator matrices”, Applied Mathematics & Physics, 52:2 (2020), 71–85
2019
7.
A. G. Baskakov, I. A. Krishtal, N. B. Uskova, “Method of similar operators in the study of spectral properties of perturbed first-order differential operators”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 171 (2019), 3–18
I. A. Krishtal, N. B. Uskova, “Spectral properties of first-order differential operators with an involution and groups of operators”, Sib. Èlektron. Mat. Izv., 16 (2019), 1091–1132
A. G. Baskakov, I. A. Krishtal, “On Harmonic Analysis of Causal Operators”, Funktsional. Anal. i Prilozhen., 40:1 (2006), 65–68; Funct. Anal. Appl., 40:1 (2006), 52–55
A. G. Baskakov, I. A. Krishtal, “Harmonic analysis of causal operators and their spectral properties”, Izv. RAN. Ser. Mat., 69:3 (2005), 3–54; Izv. Math., 69:3 (2005), 439–486