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@article{DAN_1957_117_6_a11, author = {N. A. Potapkov}, title = {On the anisotropy of cubic crystals}, journal = {Doklady Akademii Nauk}, pages = {965--966}, publisher = {mathdoc}, volume = {117}, number = {6}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_6_a11/} }
N. A. Potapkov. On the anisotropy of cubic crystals. Doklady Akademii Nauk, Tome 117 (1957) no. 6, pp. 965-966. http://geodesic.mathdoc.fr/item/DAN_1957_117_6_a11/