TY - JOUR AU - V. D. Zakharov TI - Empty space-time with an absolutely parallel vector field JO - Doklady Akademii Nauk PY - 1966 SP - 324 EP - 326 VL - 166 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_166_2_a17/ LA - ru ID - DAN_1966_166_2_a17 ER -