Bäcklund-Darboux Transformation for Non-Isospectral Canonical System and Riemann-Hilbert Problem за авторством Sakhnovich, A.

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The Discrete Self-Adjoint Dirac Systems of General Type: Explicit Solutions of Direct and Inverse Problems, Asymptotics of Verblunsky-Type Coefficients and the Stability of Solving... за авторством Roitberg, I., Sakhnovich, A.

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Pseudo-Exponential-Type Solutions of Wave Equations Depending on Several Variables за авторством Fritzsche, B., Kirstein, B., Roitberg, I.Y., Sakhnovich, A.L.

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