%0 Journal Article %A D. A. Slutskii %T A necessary flexibility condition for a~nondegenerate suspension in Lobachevsky 3-space %J Sbornik. Mathematics %D 2013 %P 1195-1214 %V 204 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2013_204_8_a5/ %G en %F SM_2013_204_8_a5