%0 Journal Article
%A Bruns, G.
%T Abstract Sets and Finite Ordinals, by G. B. Keene. International Series of Monographs in Pure and Applied Mathematics, Vol. 23. Pergamon Press, 1961.x + 106 pages. $3,50.
%J Canadian mathematical bulletin
%D 1964
%P 323-323
%V 7
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027193/
%R 10.1017/S0008439500027193
%F 10_1017_S0008439500027193