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@article{DAN_1957_116_1_a7, author = {Yu. M. Liberman}, title = {On the type of the equations in the theory of plasticity}, journal = {Doklady Akademii Nauk}, pages = {32--34}, publisher = {mathdoc}, volume = {116}, number = {1}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_116_1_a7/} }
Yu. M. Liberman. On the type of the equations in the theory of plasticity. Doklady Akademii Nauk, Tome 116 (1957) no. 1, pp. 32-34. http://geodesic.mathdoc.fr/item/DAN_1957_116_1_a7/