TY  - JOUR
AU  - Okubo, Tanjiro
TI  - Differentiable Manifolds, by S. T. Hu. x + 177 pages. Holt, New York, 1969. U.S. $12.65.
JO  - Canadian mathematical bulletin
PY  - 1972
SP  - 155
EP  - 156
VL  - 15
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500031313/
DO  - 10.1017/S0008439500031313
ID  - 10_1017_S0008439500031313
ER  -