Shkil’, N. I.; Kushnir, V. A. Asymptotic decomposition of systems of higher-order linear differential equations with small parameter for the derivative. (English) Zbl 0611.34009 Ukr. Math. J. 37, 193-197 (1985). MSC: 34A30 34E99 × Cite Format Result Cite Review PDF Full Text: DOI
Shkil’, N. I.; Kushnir, V. A. Asymptotic solutions of systems of high-order differential equations with a small parameter at the derivative. (Russian. English summary) Zbl 0575.34043 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1985, No. 7, 26-29 (1985). MSC: 34E05 34A30 × Cite Format Result Cite Review PDF
Shkil’, N. I.; Kushnir, V. A. On asymptotic decomposition of systems of linear differential equations of higher order with a small parameter at a derivative. (Russian) Zbl 0572.34008 Ukr. Mat. Zh. 37, No. 2, 226-231 (1985). Reviewer: E.Barvinek MSC: 34A30 34E99 × Cite Format Result Cite Review PDF Full Text: DOI