TY - JOUR TI - Problems for Solution JO - Canadian mathematical bulletin PY - 1960 SP - 78 EP - 78 VL - 3 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500025248/ DO - 10.1017/S0008439500025248 ID - 10_1017_S0008439500025248 ER -