%0 Journal Article %A Yu. V. Kuz'min %T On the differentials in the spectral sequence of a~group extension %J Sbornik. Mathematics %D 1988 %P 49-63 %V 61 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1988_61_1_a3/ %G en %F SM_1988_61_1_a3