%0 Journal Article %A N. K. Morozova %A V. P. Morozov %T The reduction of energy operators with reference to symmetry in the theory of molecular vibrations %J Doklady Akademii Nauk %D 1968 %P 538-541 %V 182 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_3_a12/ %G ru %F DAN_1968_182_3_a12