TY - JOUR AU - E. V. Gevorkyan TI - Bogolyubov's method in the quantum theory of a~crystal with many-particle interaction JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1976 SP - 282 EP - 287 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a13/ LA - ru ID - TMF_1976_26_2_a13 ER -