%0 Journal Article %A A. N. Golubyatnikov %A V. V. Lokhin %T Tensor invariants of subgroups of the Lorentz group %J Doklady Akademii Nauk %D 1969 %P 249-251 %V 187 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_187_2_a3/ %G ru %F DAN_1969_187_2_a3