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@article{DAN_1988_303_3_a11, author = {A. V. Pogorelov}, title = {Special infinitesimal bendings of conical surfaces}, journal = {Doklady Akademii Nauk}, pages = {563--566}, publisher = {mathdoc}, volume = {303}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_3_a11/} }
A. V. Pogorelov. Special infinitesimal bendings of conical surfaces. Doklady Akademii Nauk, Tome 303 (1988) no. 3, pp. 563-566. http://geodesic.mathdoc.fr/item/DAN_1988_303_3_a11/