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@article{DAN_1977_234_6_a2, author = {T. G. Isanov}, title = {On the extension of infinitesimal bendings}, journal = {Doklady Akademii Nauk}, pages = {1257--1260}, publisher = {mathdoc}, volume = {234}, number = {6}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_6_a2/} }
T. G. Isanov. On the extension of infinitesimal bendings. Doklady Akademii Nauk, Tome 234 (1977) no. 6, pp. 1257-1260. http://geodesic.mathdoc.fr/item/DAN_1977_234_6_a2/