%0 Journal Article %A Walker, R. G. %T Non-cancellative power-free groups %J Glasgow mathematical journal %D 1966 %P 207-212 %V 7 %N 4 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035449/ %R 10.1017/S2040618500035449 %F 10_1017_S2040618500035449