%0 Journal Article %A D. Ya. Petrina %A V. I. Gredzhuk %T On two models of interacting Bose gas: Bogolyubov's model of superfluidity and Huang-Yang--Luttinger model %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 1996 %P 370-405 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JMAG_1996_3_a10/ %G en %F JMAG_1996_3_a10