%0 Journal Article %A Ritcey, L. F. S. %T Random Notes from the Secretariat %J Canadian mathematical bulletin %D 1963 %P 309-312 %V 6 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500026758/ %R 10.1017/S0008439500026758 %F 10_1017_S0008439500026758