Miranian L., “Matrix-valued orthogonal polynomials on the real line: some extensions of the classical theory”, J. Phys. A, 38:25 (2005), 5731–5749
Аг. Х. Ханмамедов, “Прямая и обратная задачи рассеяния для возмущенного разностного уравнения Хилла”, Матем. сб., 196:10 (2005), 137–160 ; Ag. Kh. Khanmamedov, “Direct and inverse scattering problems for the perturbed Hill difference equation”, Sb. Math., 196:10 (2005), 1529–1552
Denisov S.A., “On the absolutely continuous spectrum of Dirac operator”, Comm. Partial Differential Equations, 29:9-10 (2005), 1403–1428
Clark S., Gesztesy F., Renger W., “Trace formulas and Borg-type theorems for matrix-valued Jacobi and Dirac finite difference operators”, J. Differential Equations, 219:1 (2005), 144–182
Clark S., Gesztesy F., “On Weyl–Titchmarsh theory for singular finite difference Hamiltonian systems”, J. Comput. Appl. Math., 171:1-2 (2004), 151–184
Duran A., Polo B., “Matrix Christoffel Functions”, Constr. Approx., 20:3 (2004), 353–376
Jodar L., Sastre J., “Asymptotic Expressions of Normalized Laguerre Matrix Polynomials on Bounded Intervals”, Util. Math., 65 (2004), 3–31
Zygmunt M., “Jacobi Block Matrices with Constant Matrix Terms”, Spectral Methods for Operators of Mathematical Physics, Operator Theory : Advances and Applications, 154, eds. Janas J., Kurasov P., Naboko S., Birkhauser Verlag Ag, 2004, 233–238
Cantero M.J., Ferrer M.P., Moral L., Velázquez L., “A connection between orthogonal polynomials on the unit circle and matrix orthogonal polynomials on the real line”, J. Comput. Appl. Math., 154:2 (2003), 247–272
Yakhlef H.O., Marcellán F., “Relative asymptotics for orthogonal matrix polynomials with respect to a perturbed matrix measure on the unit circle”, Approx. Theory Appl. (N.S.), 18:4 (2002), 1–19