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@article{DAN_1991_320_3_a5, author = {F. G. Maksudov and I. V. Aliev}, title = {Second-order operator-differential equations with nonregular}, journal = {Doklady Akademii Nauk}, pages = {539--542}, publisher = {mathdoc}, volume = {320}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_3_a5/} }
F. G. Maksudov; I. V. Aliev. Second-order operator-differential equations with nonregular. Doklady Akademii Nauk, Tome 320 (1991) no. 3, pp. 539-542. http://geodesic.mathdoc.fr/item/DAN_1991_320_3_a5/