%0 Journal Article
%T Ontario Mathematical Meetings 1968
%J Canadian mathematical bulletin
%D 1968
%P 621-652
%V 11
%N 4
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029866/
%R 10.1017/S0008439500029866
%F 10_1017_S0008439500029866