%0 Journal Article %A Yu. A. Tserkovnikov %T The~method of two-time Green's functions in the molecular hydrodynamics of a~superfluid %J Teoretičeskaâ i matematičeskaâ fizika %D 1986 %P 439-465 %V 69 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1986_69_3_a10/ %G ru %F TMF_1986_69_3_a10