@article{100170,
author = {Alois \v Svec},
title = {D\'eformation projective des congruences de droites dans $S\_n$},
journal = {Czechoslovak Mathematical Journal},
volume = {05},
year = {1955},
pages = {546-558},
zbl = {0068.35503},
mrnumber = {0080338},
language = {fr},
url = {http://dml.mathdoc.fr/item/100170}
}
Švec, Alois. Déformation projective des congruences de droites dans $S_n$. Czechoslovak Mathematical Journal, Tome 05 (1955) pp. 546-558. http://gdmltest.u-ga.fr/item/100170/