@article{GDZPPN002249693,
title = {Ueber h\"ohere r\"aumliche Nullsysteme.},
journal = {Mathematische Annalen},
volume = {27},
year = {1886},
pages = {277-283},
zbl = {18.0541.02},
url = {http://dml.mathdoc.fr/item/GDZPPN002249693}
}
Sturm. Ueber höhere räumliche Nullsysteme.. Mathematische Annalen, Tome 27 (1886) pp. 277-283. http://gdmltest.u-ga.fr/item/GDZPPN002249693/