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@article{DE_1967_3_2_a8, author = {G. V. Zhdanova}, title = {On the spectrum of a non-selfadjoint {Sturm--Liouville} operator}, journal = {Differencialʹnye uravneni\^a}, pages = {250--263}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_2_a8/} }
G. V. Zhdanova. On the spectrum of a non-selfadjoint Sturm--Liouville operator. Differencialʹnye uravneniâ, Tome 3 (1967) no. 2, pp. 250-263. http://geodesic.mathdoc.fr/item/DE_1967_3_2_a8/