@article{ARM_1969_5_3_a5,
     author = {Svoboda, Karel},
     title = {Sur une classe de congruences de droites dans un espace projectif de dimension paire},
     journal = {Archivum mathematicum},
     pages = {157--165},
     year = {1969},
     volume = {5},
     number = {3},
     mrnumber = {0279675},
     zbl = {0241.53006},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ARM_1969_5_3_a5/}
}