%0 Journal Article %A Maj, M. %A Stonehewer, S. E. %T Non-Nilpotent Groups in Which Every Product of Four Elements Can be Reordered %J Canadian journal of mathematics %D 1990 %P 1053-1066 %V 42 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-056-4/ %R 10.4153/CJM-1990-056-4 %F 10_4153_CJM_1990_056_4