%0 Journal Article %A A. N. Leznov %A M. A. Mukhtarov %T Internal symmetry algebra of exactly integrable dynamical systems in the quantum domain %J Teoretičeskaâ i matematičeskaâ fizika %D 1987 %P 46-53 %V 71 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_1987_71_1_a5/ %G ru %F TMF_1987_71_1_a5