%0 Journal Article %A I. V. Andozhskii %T On some classes of closed pro-$p$-groups %J Izvestiya. Mathematics %D 1975 %P 663-691 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1975_9_4_a0/ %G en %F IM2_1975_9_4_a0