TY - JOUR AU - Froemke, Jon TI - Maximal Pre-Primal Clusters JO - Canadian journal of mathematics PY - 1975 SP - 746 EP - 751 VL - 27 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-083-x/ DO - 10.4153/CJM-1975-083-x ID - 10_4153_CJM_1975_083_x ER -