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@article{DAN_1968_183_2_a12, author = {B. Sternin}, title = {Boundary value problems of {Sobolev} type for elliptic operators}, journal = {Doklady Akademii Nauk}, pages = {296--299}, publisher = {mathdoc}, volume = {183}, number = {2}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_2_a12/} }
B. Sternin. Boundary value problems of Sobolev type for elliptic operators. Doklady Akademii Nauk, Tome 183 (1968) no. 2, pp. 296-299. http://geodesic.mathdoc.fr/item/DAN_1968_183_2_a12/