%0 Journal Article %A A. V. Zhukov %T Vectors and ideal reference frames defined by the Weyl tensor in a gravitational field %J Doklady Akademii Nauk %D 1979 %P 55-58 %V 246 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_1_a11/ %G ru %F DAN_1979_246_1_a11