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@article{DAN_1985_285_6_a1, author = {G. Sh. Guseinov}, title = {On the spectral analysis of a quadratic pencil of {Sturm--Liouville} operators}, journal = {Doklady Akademii Nauk}, pages = {1292--1296}, publisher = {mathdoc}, volume = {285}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_6_a1/} }
G. Sh. Guseinov. On the spectral analysis of a quadratic pencil of Sturm--Liouville operators. Doklady Akademii Nauk, Tome 285 (1985) no. 6, pp. 1292-1296. http://geodesic.mathdoc.fr/item/DAN_1985_285_6_a1/