%0 Journal Article %A V. P. Maslov %T The problem of phase transitions in superfluid and normal liquids %J Teoretičeskaâ i matematičeskaâ fizika %D 1999 %P 492-508 %V 121 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1999_121_3_a10/ %G ru %F TMF_1999_121_3_a10