TY - JOUR AU - A. V. Zhukov TI - Vectors and ideal reference frames defined by the Weyl tensor in a gravitational field JO - Doklady Akademii Nauk PY - 1979 SP - 55 EP - 58 VL - 246 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_246_1_a11/ LA - ru ID - DAN_1979_246_1_a11 ER -