%0 Journal Article
%A Okubo, T.
%T Foundations of Differential Geometry, II by S. Kobayashi And K. Nomizu. Interscience Publication, Wiley, New York (1969).
%J Canadian mathematical bulletin
%D 1970
%P 293-295
%V 13
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500031829/
%R 10.1017/S0008439500031829
%F 10_1017_S0008439500031829