@article{GDZPPN002282763,
title = {Konstanzelemente in Ringen mit Differentiation.},
journal = {Mathematische Annalen},
volume = {124},
year = {1951},
pages = {182-186},
zbl = {0046.03105},
url = {http://dml.mathdoc.fr/item/GDZPPN002282763}
}
Falk, G. Konstanzelemente in Ringen mit Differentiation.. Mathematische Annalen, Tome 124 (1951) pp. 182-186. http://gdmltest.u-ga.fr/item/GDZPPN002282763/