TY - JOUR AU - L. I. Sedov AU - V. V. Lokhin TI - Description of point groups of symmetry with the help of tensors JO - Doklady Akademii Nauk PY - 1963 SP - 796 EP - 797 VL - 149 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a10/ LA - ru ID - DAN_1963_149_4_a10 ER -