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Publications in Math-Net.Ru |
Citations |
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1971 |
1. |
A. Ya. Kovalenko, “Perturbation of the periodic solutions of differential equations in the case when the spectrum of the monodromy operator of the generating equation contains 1”, Izv. Vyssh. Uchebn. Zaved. Mat., 1971, no. 7, 44–49 |
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1967 |
2. |
A. Ya. Kovalenko, “The highest exponent and the critical exponent of certain differential equations in a Banach space”, Differ. Uravn., 3:8 (1967), 1259–1265 |
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Organisations |
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