TY - JOUR AU - ZIMMERMAN, JAY TI - The symmetric genus of 2-groups JO - Glasgow mathematical journal PY - 1999 SP - 115 EP - 124 VL - 41 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708959997057X/ DO - 10.1017/S001708959997057X ID - 10_1017_S001708959997057X ER -