Publications in Math-Net.Ru
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Strictly positive periodic solutions of a nonlinear ordinary differential equation
Differ. Uravn., 14:5 (1978), 798–806
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Strictly positive solutions of periodic systems of ordinary differential equations
Differ. Uravn., 9:11 (1973), 1945–1955
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A nonlinear periodic boundary value problem for an equation and a system of equations of the second order
Differ. Uravn., 5:3 (1969), 456–462
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The Green's matrix of a periodic boundary value problem for a system of two second order linear differential equations
Differ. Uravn., 4:6 (1968), 1055–1064
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The Sturm–Liouville problem of a second order nonlinear ordinary differential equation
Differ. Uravn., 3:9 (1967), 1484–1494
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A theorem on a differential inequality for a periodic boundary value problem for an ordinary differential equation of the second order
Differ. Uravn., 1:3 (1965), 335–345
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