@article{10_21136_CMJ_1956_100196,
     author = {\v{C}ech, Eduard},
     title = {Transformations d\'eveloppables des congruences des droites},
     journal = {Czechoslovak Mathematical Journal},
     pages = {260--286},
     year = {1956},
     volume = {6},
     number = {2},
     doi = {10.21136/CMJ.1956.100196},
     mrnumber = {0089448},
     zbl = {0075.31103},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1956.100196/}
}