@article{10_21136_CMJ_1960_100433,
     author = {Hor\'ak, Vladim{\'\i}r},
     title = {Projektive {Deformation} der {Segreschen} $W${-Kongruenzen} und ihre {Abbildung} in den {Kleinschen} f\"unfdimensionalen projektiven {Raum}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {551--595},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1960},
     doi = {10.21136/CMJ.1960.100433},
     mrnumber = {0130639},
     zbl = {0103.14503},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100433/}
}