%0 Journal Article %A S. P. Efimov %T Transition operator between multipole states and their tensor structure %J Teoretičeskaâ i matematičeskaâ fizika %D 1979 %P 219-233 %V 39 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1979_39_2_a8/ %G ru %F TMF_1979_39_2_a8