@article{GDZPPN002046660,
title = {Zur Existenz maximaler Mannigfaltigkeiten},
journal = {Beitr\"age zur Algebra und Geometrie = Contributions to algebra and geometry},
volume = {4},
year = {1975},
pages = {53-56},
zbl = {0319.58001},
url = {http://dml.mathdoc.fr/item/GDZPPN002046660}
}
BOTHE, H.G.; EICHHORN, J. Zur Existenz maximaler Mannigfaltigkeiten. Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry, Tome 4 (1975) pp. 53-56. http://gdmltest.u-ga.fr/item/GDZPPN002046660/