%0 Journal Article %A N. A. Gromov %T Casimir operators of the groups of motion of spaces of constant curvature %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 480 %V 56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1983_56_3_a15/ %G ru %F TMF_1983_56_3_a15