@article{CMUC_1960_1_2_a0,
     author = {Hor\'ak, Vladim{\'\i}r},
     title = {Projektive {Deformation} der {Segreschen} $W${-Kongruenzen}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {5--13},
     year = {1960},
     volume = {1},
     number = {2},
     zbl = {0105.15403},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1960_1_2_a0/}
}