Shkil’, N. I.; Zavizion, G. V.; Samojlenko, M. V. Periodic solutions of a system of nonlinear integro-differential equations with impulse effect. (Russian) Zbl 1110.45007 Nelinijni Kolyvannya 8, No. 4, 553-573 (2005). Reviewer: A. A. Martynyuk (Kyïv) MSC: 45J05 45M15 45L05 45G15 × Cite Format Result Cite Review PDF
Shkil’, N. I. On asymptotic extensions of solutions to systems of differential equations in case of multiple roots of characteristic equations. (Russian) Zbl 1007.34056 Nelinijni Kolyvannya 3, No. 2, 285-289 (2000). Reviewer: L. N. Chernetskaja (Kyïv) MSC: 34E10 34A30 × Cite Format Result Cite Review PDF
Shkil’, N. I. On asymptotic decompositions of solutions to linear systems of differential equations singularly containing a small parameter. (Russian) Zbl 0939.34051 Nelinijni Kolyvannya 1998, No. 1, 145-154 (1998). Reviewer: A. A. Martynyuk (Kyïv) MSC: 34E15 34E05 × Cite Format Result Cite Review PDF