%0 Journal Article %A V. V. Ishkhanov %A B. B. Lur'e %T On embedding problem with nonabelian kernel of the order~$p^4$.~III %J Zapiski Nauchnykh Seminarov POMI %D 1991 %P 20-27 %V 198 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1991_198_a2/ %G ru %F ZNSL_1991_198_a2