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@article{DAN_1982_265_6_a1, author = {B. A. Bubnov}, title = {Boundary value problems for a class of equations containing a time derivative}, journal = {Doklady Akademii Nauk}, pages = {1292--1297}, publisher = {mathdoc}, volume = {265}, number = {6}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_265_6_a1/} }
B. A. Bubnov. Boundary value problems for a class of equations containing a time derivative. Doklady Akademii Nauk, Tome 265 (1982) no. 6, pp. 1292-1297. http://geodesic.mathdoc.fr/item/DAN_1982_265_6_a1/