%0 Journal Article %A P. N. Brusov %A V. N. Popov %T Collective excitations in the superfluid $A$~and $B$~phases of~$\operatorname{He}^3$ in an electric field %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 249-256 %V 57 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1983_57_2_a7/ %G ru %F TMF_1983_57_2_a7