%0 Journal Article
%A S. V. Vonsovskii
%A V. I. Cherepanov
%A A. N. Men'
%A A. E. Nikiforov
%T Group-theoretic classification of the states of pairs and complexes of paramagnetic impurity ions in crystals
%J Doklady Akademii Nauk
%D 1967
%P 783-786
%V 174
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_174_4_a12/
%G ru
%F DAN_1967_174_4_a12