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@article{DAN_1974_216_2_a4, author = {M. M. Lavrent'ev and V. R. Kireitov}, title = {On a class of mappings of bisurfaces in three-dimensional space}, journal = {Doklady Akademii Nauk}, pages = {259--260}, publisher = {mathdoc}, volume = {216}, number = {2}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a4/} }
M. M. Lavrent'ev; V. R. Kireitov. On a class of mappings of bisurfaces in three-dimensional space. Doklady Akademii Nauk, Tome 216 (1974) no. 2, pp. 259-260. http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a4/