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@article{DAN_1977_235_1_a3, author = {A. S. Leonov}, title = {Calculation of the values of unbounded operators by the averaging method}, journal = {Doklady Akademii Nauk}, pages = {23--26}, publisher = {mathdoc}, volume = {235}, number = {1}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a3/} }
A. S. Leonov. Calculation of the values of unbounded operators by the averaging method. Doklady Akademii Nauk, Tome 235 (1977) no. 1, pp. 23-26. http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a3/