Kudryavtsev, D. L. On the monodromy group of a second order linear differential equation. (Russian) Zbl 0615.34003 Differ. Uravn. 22, No. 6, 1068-1070 (1986). Reviewer: V.A.Tkačenko MSC: 34M35 34A30 PDFBibTeX XMLCite \textit{D. L. Kudryavtsev}, Differ. Uravn. 22, No. 6, 1068--1070 (1986; Zbl 0615.34003)
Ponomarev, V. D. On the structure of some set of solutions of a second order ordinary differential equation. (Russian) Zbl 0614.34005 Differ. Uravn. 22, No. 6, 1089-1090 (1986). Reviewer: I.Foltyńska MSC: 34A12 34C99 PDFBibTeX XMLCite \textit{V. D. Ponomarev}, Differ. Uravn. 22, No. 6, 1089--1090 (1986; Zbl 0614.34005)