%0 Journal Article %A B. A. Men' %A A. N. Men' %A V. I. Cherepanov %T Group theoretical classification of repeating representations in quantum- mechanical problems with point-group symmetry %J Doklady Akademii Nauk %D 1972 %P 776-778 %V 203 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_4_a12/ %G ru %F DAN_1972_203_4_a12