%0 Journal Article
%A Okubo, Tanjiro
%T Elementary Differential Geometry by Barret O'Neill. Academic Press, 1966.
%J Canadian mathematical bulletin
%D 1968
%P 315-316
%V 11
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S000843950002909X/
%R 10.1017/S000843950002909X
%F 10_1017_S000843950002909X