@article{GDZPPN002059177,
title = {Some Congruence Theorems for Closed Hypersurfaces in Riemann Space. (Part II: Method based on a Maximum Principle).},
journal = {Commentarii mathematici Helvetici},
volume = {43},
year = {1968},
pages = {217-224},
zbl = {0163.43502},
url = {http://dml.mathdoc.fr/item/GDZPPN002059177}
}
Hopf, Heinz; Katsurada, Yoshie. Some Congruence Theorems for Closed Hypersurfaces in Riemann Space. (Part II: Method based on a Maximum Principle).. Commentarii mathematici Helvetici, Tome 43 (1968) pp. 217-224. http://gdmltest.u-ga.fr/item/GDZPPN002059177/