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@article{DAN_1964_158_3_a20, author = {K. S. Shifrin and A. Ya. Perel'man}, title = {Reversion of the indicatrix for ``soft'' particles}, journal = {Doklady Akademii Nauk}, pages = {578--581}, publisher = {mathdoc}, volume = {158}, number = {3}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_158_3_a20/} }
K. S. Shifrin; A. Ya. Perel'man. Reversion of the indicatrix for ``soft'' particles. Doklady Akademii Nauk, Tome 158 (1964) no. 3, pp. 578-581. http://geodesic.mathdoc.fr/item/DAN_1964_158_3_a20/