%0 Journal Article %A E. V. Gevorkyan %T Bogolyubov's method in the quantum theory of a~crystal with many-particle interaction %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 282-287 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a13/ %G ru %F TMF_1976_26_2_a13