@article{GDZPPN00242990X,
title = {Smoothing Riemannian Metrics.},
journal = {Mathematische Zeitschrift},
volume = {185},
year = {1984},
pages = {69-74},
zbl = {0536.53044},
url = {http://dml.mathdoc.fr/item/GDZPPN00242990X}
}
Ruh, Ernst A.; Bemelmans, Josef; Min-Oo. Smoothing Riemannian Metrics.. Mathematische Zeitschrift, Tome 185 (1984) pp. 69-74. http://gdmltest.u-ga.fr/item/GDZPPN00242990X/