%0 Journal Article %A V. V. Ishkhanov %A B. B. Lur'e %T An embedding problem for number fields with a~noncommutative kernel of order $p^4$ %J Algebra i analiz %D 1990 %P 161-167 %V 2 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1990_2_6_a10/ %G ru %F AA_1990_2_6_a10