%0 Journal Article
%T Thesis Abstract
%J Canadian mathematical bulletin
%D 1969
%P 255-255
%V 12
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030381/
%R 10.1017/S0008439500030381
%F 10_1017_S0008439500030381