Lyubarskij, G. Ya. On the theory of the WKB method. The case of a finite number of neighboring turning points. (English. Russian original) Zbl 0423.34080 Sov. Math., Dokl. 19, 986-990 (1978); translation from Dokl. Akad. Nauk SSSR 241, 1265-1268 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34E20 Singular perturbations, turning point theory, WKB methods for ordinary differential equations Keywords:WKB method; turning points; transition matrices PDF BibTeX XML Cite \textit{G. Ya. Lyubarskij}, Sov. Math., Dokl. 19, 986--990 (1978; Zbl 0423.34080); translation from Dokl. Akad. Nauk SSSR 241, 1265--1268 (1978)