@article{105036,
author = {V\'aclav Havel},
title = {Freie Erweiterungen von Schemen $n$-ten Grades},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {006},
year = {1965},
pages = {443-448},
zbl = {0136.42102},
mrnumber = {0196586},
language = {de},
url = {http://dml.mathdoc.fr/item/105036}
}
Havel, Václav. Freie Erweiterungen von Schemen $n$-ten Grades. Commentationes Mathematicae Universitatis Carolinae, Tome 006 (1965) pp. 443-448. http://gdmltest.u-ga.fr/item/105036/
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