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@article{DAN_1963_153_4_a6, author = {V. L. Rvachev}, title = {An analytic description of certain geometric objects}, journal = {Doklady Akademii Nauk}, pages = {765--767}, publisher = {mathdoc}, volume = {153}, number = {4}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a6/} }
V. L. Rvachev. An analytic description of certain geometric objects. Doklady Akademii Nauk, Tome 153 (1963) no. 4, pp. 765-767. http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a6/