Integration of a two-dimensional system with a turning point. (English) Zbl 0354.34058
MSC:
| 34E20 | Singular perturbations, turning point theory, WKB methods for ordinary differential equations |
| 34A30 | Linear ordinary differential equations and systems |
References:
| [1] | S. F. Feshchenko, N. I. Shkil’, and L. D. Nikolenko, Asymptotic Methods in the Theory of Linear Differential Equations [in Russian], Naukova Dumka, Kiev (1966). · Zbl 0141.28004 |
| [2] | M. I. Shkil’, Asymptotic Methods in Differential Equations [in Ukrainian], Vishcha Shkola, Kiev (1971). |
| [3] | B. L. Krylov, ?The solution in a finite form of Riemann’s problem for a Gauss system,? Trudy Kazansk. Aviats. In-ta,31 (1956). |
| [4] | N. P. Erugin, I. Z. Shtokalo, et al., A Course in Ordinary Differential Equations [in Ukrainian], Vishcha Shkola, Kiev (1974). |
| [5] | A. F. Nikiforov and V. B. Uvarov, Foundations of the Theory of Special Functions [in Russian], Nauka, Moscow (1974). |
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