%0 Journal Article %T The 1963 Seminar %J Canadian mathematical bulletin %D 1963 %P 152-152 %V 6 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500026473/ %R 10.1017/S0008439500026473 %F 10_1017_S0008439500026473