%0 Journal Article %A Brunner, A. M. %A Burns, R. G. %T Groups in which every Finitely Generated Subgroup is almost a Free Factor %J Canadian journal of mathematics %D 1979 %P 1329-1338 %V 31 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-110-2/ %R 10.4153/CJM-1979-110-2 %F 10_4153_CJM_1979_110_2