%0 Journal Article %A B. A. Men' %A A. N. Men' %A V. I. Cherepanov %T The use of plethysm operation for the classification of allowed terms of impurity complexes in a crystal %J Doklady Akademii Nauk %D 1973 %P 333-335 %V 209 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_209_2_a19/ %G ru %F DAN_1973_209_2_a19