TY - JOUR TI - Summer Research Institute of the Canadian Mathematical Congress JO - Canadian mathematical bulletin PY - 1958 SP - 58 EP - 59 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S000843950002470X/ DO - 10.1017/S000843950002470X ID - 10_1017_S000843950002470X ER -