%0 Journal Article
%T Leopold Infeld
%J Canadian mathematical bulletin
%D 1971
%P 301-303
%V 14
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-055-5/
%R 10.4153/CMB-1971-055-5
%F 10_4153_CMB_1971_055_5