%0 Journal Article %A Yu. V. Muranov %T Natural mappings of relative Wall groups %J Sbornik. Mathematics %D 1993 %P 183-195 %V 75 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1993_75_1_a10/ %G en %F SM_1993_75_1_a10