%0 Journal Article %A G. A. Vardanian %A K. V. Papoyan %A D. M. Sedrakian %T On the hydrodynamics of superfluid ciystals %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1986 %P 41-46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1986_3_a6/ %G ru %F UZERU_1986_3_a6