Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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}, publisher = {mathdoc}, volume = {01}, number = {2}, year = {1960}, zbl = {0105.15403}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/CMUC_1960__1_2_a0/} }
Horák, Vladimír. Projektive Deformation der Segreschen $W$-Kongruenzen. Commentationes Mathematicae Universitatis Carolinae, Tome 01 (1960) no. 2, pp. 5-13. http://geodesic.mathdoc.fr/item/CMUC_1960__1_2_a0/