Abduvaitov, Kh. A.; Mukhamadiev, Eh. M. On reversibility conditions for a second order differential operator. (Russian) Zbl 0379.34011 Differ. Uravn. 13, 2115-2123 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 34A30 Linear ordinary differential equations and systems PDFBibTeX XMLCite \textit{Kh. A. Abduvaitov} and \textit{Eh. M. Mukhamadiev}, Differ. Uravn. 13, 2115--2123 (1977; Zbl 0379.34011)