%0 Journal Article %A M. A. Olshanetsky %A A. M. Perelomov %T Quantum systems related to root systems, and radial parts of Laplace operators %J Funkcionalʹnyj analiz i ego priloženiâ %D 1978 %P 57-65 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1978_12_2_a6/ %G ru %F FAA_1978_12_2_a6