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@article{DAN_1971_201_5_a13, author = {P. E. Sobolevskii}, title = {On coercive solvability of difference equations}, journal = {Doklady Akademii Nauk}, pages = {1063--1066}, publisher = {mathdoc}, volume = {201}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a13/} }
P. E. Sobolevskii. On coercive solvability of difference equations. Doklady Akademii Nauk, Tome 201 (1971) no. 5, pp. 1063-1066. http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a13/