TY - JOUR AU - McCool, James TI - Elements of finite order in free product sixth-groups JO - Glasgow mathematical journal PY - 1968 SP - 128 EP - 145 VL - 9 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000410/ DO - 10.1017/S0017089500000410 ID - 10_1017_S0017089500000410 ER -