%0 Journal Article %A A. V. Aminova %T Groups of transformations of pseudo-riemannian manifolds in theoretical and mathematical physics %J In memoriam N. I. Lobatschevskii %D 1995 %P 79-103 %V 3 %N 2 %U http://geodesic.mathdoc.fr/item/KUMEM_1995_3_2_a9/ %G en %F KUMEM_1995_3_2_a9