%0 Journal Article %A O. V. Mel'nikov %T Subgroups and homology of free products of profinite groups %J Izvestiya. Mathematics %D 1990 %P 97-119 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_1_a4/ %G en %F IM2_1990_34_1_a4