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@article{DAN_1960_133_2_a8, author = {M. I. Red'kov}, title = {The domain of the values of functional}, journal = {Doklady Akademii Nauk}, pages = {284--287}, publisher = {mathdoc}, volume = {133}, number = {2}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a8/} }
M. I. Red'kov. The domain of the values of functional. Doklady Akademii Nauk, Tome 133 (1960) no. 2, pp. 284-287. http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a8/