@article{GDZPPN002245515,
title = {Zur Theorie des Riemann'schen Kr\"ummmigsmasses},
journal = {Mathematische Annalen},
volume = {16},
year = {1880},
pages = {571-576},
zbl = {12.0570.01},
url = {http://dml.mathdoc.fr/item/GDZPPN002245515}
}
Voss. Zur Theorie des Riemann'schen Krümmmigsmasses. Mathematische Annalen, Tome 16 (1880) pp. 571-576. http://gdmltest.u-ga.fr/item/GDZPPN002245515/