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@article{DAN_1964_158_6_a5, author = {M. H. Zakhar-Itkin}, title = {Investigation of a differential equation of {Sturm--Liouville} type}, journal = {Doklady Akademii Nauk}, pages = {1264--1267}, publisher = {mathdoc}, volume = {158}, number = {6}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_158_6_a5/} }
M. H. Zakhar-Itkin. Investigation of a differential equation of Sturm--Liouville type. Doklady Akademii Nauk, Tome 158 (1964) no. 6, pp. 1264-1267. http://geodesic.mathdoc.fr/item/DAN_1964_158_6_a5/