TY - JOUR AU - Herzog, M. AU - Schönheim, J. TI - Group Partition, Factorization and the Vector Covering Problem JO - Canadian mathematical bulletin PY - 1972 SP - 207 EP - 214 VL - 15 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-038-x/ DO - 10.4153/CMB-1972-038-x ID - 10_4153_CMB_1972_038_x ER -