TY - JOUR AU - Evan, Joseph TI - PERMUTABLE DIAGONAL-TYPE SUBGROUPS OF $G\times H$ JO - Glasgow mathematical journal PY - 2003 SP - 73 EP - 77 VL - 45 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089502001003/ DO - 10.1017/S0017089502001003 ID - 10_1017_S0017089502001003 ER -