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@article{DE_1965_1_10_a4, author = {Yu. D. Salmanov}, title = {Sturm--Liouville problem for a certain general linear differential equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1321--1337}, publisher = {mathdoc}, volume = {1}, number = {10}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_10_a4/} }
Yu. D. Salmanov. Sturm--Liouville problem for a certain general linear differential equation. Differencialʹnye uravneniâ, Tome 1 (1965) no. 10, pp. 1321-1337. http://geodesic.mathdoc.fr/item/DE_1965_1_10_a4/