Publications in Math-Net.Ru
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Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. II
Differ. Uravn., 4:12 (1968), 2243–2257
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Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. I
Differ. Uravn., 4:8 (1968), 1494–1508
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A criterion for the discreteness of the spectrum of a selfadjoint system of differential equations of the first order with slowly varying coefficients
Dokl. Akad. Nauk SSSR, 167:6 (1966), 1223–1225
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Conditions of discreteness and continuity of the spectrum in the case of a self-conjugate system of first order differential equations
Dokl. Akad. Nauk SSSR, 165:5 (1965), 996–999
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The conditions of discreteness and continuity of the spectrum in case of a self-conjugate system of even order differential equations
Differ. Uravn., 1:12 (1965), 1578–1591
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