%0 Journal Article
%A Helfenstein, H.G.
%T Introduction to differential geometry and Riemannian geometry, by E. Kreyszig. University of Toronto Press, 1968. xii + 370 pages.
%J Canadian mathematical bulletin
%D 1969
%P 371-372
%V 12
%N 3
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030575/
%R 10.1017/S0008439500030575
%F 10_1017_S0008439500030575