@article{GDZPPN002393115,
title = {Curvature and homology of Riemannian manifolds with boundary.},
journal = {Mathematische Zeitschrift},
volume = {82},
year = {1963},
pages = {67-81},
zbl = {0119.17202},
url = {http://dml.mathdoc.fr/item/GDZPPN002393115}
}
Hsiung, Chuan-Chih. Curvature and homology of Riemannian manifolds with boundary.. Mathematische Zeitschrift, Tome 82 (1963) pp. 67-81. http://gdmltest.u-ga.fr/item/GDZPPN002393115/