%0 Journal Article %A V. S. Kapitonov %A V. N. Popov %T Functional integral approuch to the theory of crystals %J Zapiski Nauchnykh Seminarov POMI %D 1981 %P 77-89 %V 101 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1981_101_a6/ %G ru %F ZNSL_1981_101_a6