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@article{DAN_1970_191_1_a5, author = {A. V. Pogorelov}, title = {Homeomorphism of convex surfaces preserving the turning variations of curves}, journal = {Doklady Akademii Nauk}, pages = {25--26}, publisher = {mathdoc}, volume = {191}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a5/} }
A. V. Pogorelov. Homeomorphism of convex surfaces preserving the turning variations of curves. Doklady Akademii Nauk, Tome 191 (1970) no. 1, pp. 25-26. http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a5/