%0 Journal Article %A V. S. Guba %T Conditions under which 2-generated subgroups in small cancellation groups are free %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1986 %P 12-19 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1986_7_a2/ %G ru %F IVM_1986_7_a2