TY - JOUR AU - Maj, M. AU - Stonehewer, S. E. TI - Non-Nilpotent Groups in Which Every Product of Four Elements Can be Reordered JO - Canadian journal of mathematics PY - 1990 SP - 1053 EP - 1066 VL - 42 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-056-4/ DO - 10.4153/CJM-1990-056-4 ID - 10_4153_CJM_1990_056_4 ER -