TY  - JOUR
AU  - Brunner, A. M.
AU  - Burns, R. G.
TI  - Groups in which every Finitely Generated Subgroup is almost a Free Factor
JO  - Canadian journal of mathematics
PY  - 1979
SP  - 1329
EP  - 1338
VL  - 31
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-110-2/
DO  - 10.4153/CJM-1979-110-2
ID  - 10_4153_CJM_1979_110_2
ER  -