@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/}
}