%0 Journal Article %A B. A. Men' %A A. N. Men' %T Seniority-classification in the theory of magnetism of molecules and impurity complexes in crystal %J Doklady Akademii Nauk %D 1975 %P 68-70 %V 220 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_1_a16/ %G ru %F DAN_1975_220_1_a16