%0 Journal Article
%A Erdös, P.
%T Solution by P. J. Ryan, University of Toronto
%J Canadian mathematical bulletin
%D 1965
%P 112-112
%V 8
%N 1
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500024310/
%R 10.1017/S0008439500024310
%F 10_1017_S0008439500024310