%0 Journal Article %A B. B. Venkov %A H. V. Koch %T On $p$-tower classfields for an imagunau quadratic field %J Zapiski Nauchnykh Seminarov POMI %D 1974 %P 5-13 %V 46 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1974_46_a1/ %G ru %F ZNSL_1974_46_a1