%0 Journal Article %A V. M. Tsvetkov %T On pro-$p$-groups of cohomology dimension two %J Doklady Akademii Nauk %D 1983 %P 1329-1332 %V 271 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_6_a10/ %G ru %F DAN_1983_271_6_a10