%0 Journal Article %A L. M. Tsalenko %T The Laplace--Casimir operators on contractions of the Lie groups $O(n,\mathbb C)$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 261-262 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_1_a26/ %G en %F RM_1989_44_1_a26