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@article{DAN_1975_220_5_a2, author = {M. A. Valiev}, title = {A method of regularizing singularly perturbed differential equations in {Hilbert} space}, journal = {Doklady Akademii Nauk}, pages = {1008--1011}, publisher = {mathdoc}, volume = {220}, number = {5}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_5_a2/} }
M. A. Valiev. A method of regularizing singularly perturbed differential equations in Hilbert space. Doklady Akademii Nauk, Tome 220 (1975) no. 5, pp. 1008-1011. http://geodesic.mathdoc.fr/item/DAN_1975_220_5_a2/