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@article{DAN_1990_312_3_a19, author = {Yu. G. Smirnov}, title = {The application of the operator pencil method in a problem}, journal = {Doklady Akademii Nauk}, pages = {597--599}, publisher = {mathdoc}, volume = {312}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a19/} }
Yu. G. Smirnov. The application of the operator pencil method in a problem. Doklady Akademii Nauk, Tome 312 (1990) no. 3, pp. 597-599. http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a19/