Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_149_4_a10, author = {L. I. Sedov and V. V. Lokhin}, title = {Description of point groups of symmetry with the help of tensors}, journal = {Doklady Akademii Nauk}, pages = {796--797}, publisher = {mathdoc}, volume = {149}, number = {4}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a10/} }
L. I. Sedov; V. V. Lokhin. Description of point groups of symmetry with the help of tensors. Doklady Akademii Nauk, Tome 149 (1963) no. 4, pp. 796-797. http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a10/