Marchenko, V. A. Some questions in the theory of one-dimensional linear differential operators of the second order. I. (English) Zbl 0273.34014 Am. Math. Soc., Translat., II. Ser. 101, 1-104 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 46 Documents MSC: 34L99 Ordinary differential operators 47E05 General theory of ordinary differential operators × Cite Format Result Cite Review PDF Full Text: DOI