TY - JOUR AU - Kotzig, Anton AU - Rosa, Alexander TI - Magic Valuations of Finite Graphs JO - Canadian mathematical bulletin PY - 1970 SP - 451 EP - 461 VL - 13 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-084-1/ DO - 10.4153/CMB-1970-084-1 ID - 10_4153_CMB_1970_084_1 ER -