%0 Journal Article
%A V. N. Popov
%A S. A. Fedotov
%T The diagram technique for ferromagnetic systems with spin 1/2
%J Informatics and Automation
%D 1990
%P 159-169
%V 184
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1990_184_a4/
%G ru
%F TRSPY_1990_184_a4