@article{10_21136_CMJ_1958_100313,
     author = {\v{S}vec, Alois},
     title = {G\'eom\'etrie intrins\`eque des congruences de droites et leurs d\'eformations projectives},
     journal = {Czechoslovak Mathematical Journal},
     pages = {395--397,398},
     year = {1958},
     volume = {8},
     number = {3},
     doi = {10.21136/CMJ.1958.100313},
     mrnumber = {0123981},
     zbl = {0092.39201},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1958.100313/}
}