TY - JOUR AU - V. A. Dzhrbashyan TI - Square and projection of bispin as conserved quantities for particles described by the Dirac equation JO - Doklady Akademii Nauk PY - 1980 SP - 1116 EP - 1121 VL - 254 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a23/ LA - ru ID - DAN_1980_254_5_a23 ER -