%0 Journal Article %A D. J. Collins %A H. Zieschang %T Combinatorial theory of groups, and fundamental groups %J Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya %D 1990 %P 5-190 %V 58 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTF_1990_58_a0/ %G ru %F INTF_1990_58_a0