TY  - JOUR
AU  - Okubo, T.
TI  - Variational Principles, by B. L. Moiseiwitsch. Interscience Monographs, Vol. XX. Wiley, NewYork, 1966. x + 310 pages. $14.00.
JO  - Canadian mathematical bulletin
PY  - 1967
SP  - 623
EP  - 624
VL  - 10
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500028666/
DO  - 10.1017/S0008439500028666
ID  - 10_1017_S0008439500028666
ER  -