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@article{DAN_1967_176_3_a6, author = {E. A. Larionov}, title = {The extension of dual subspaces}, journal = {Doklady Akademii Nauk}, pages = {515--517}, publisher = {mathdoc}, volume = {176}, number = {3}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a6/} }
E. A. Larionov. The extension of dual subspaces. Doklady Akademii Nauk, Tome 176 (1967) no. 3, pp. 515-517. http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a6/