Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1967__3_2_a4, author = {Svoboda, Karel}, title = {Sur la d\'eformation projective des pseudocongruences compl\`etement focales. {I}}, journal = {Archivum mathematicum}, pages = {83--98}, publisher = {mathdoc}, volume = {03}, number = {2}, year = {1967}, mrnumber = {0224000}, zbl = {0212.54002}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/ARM_1967__3_2_a4/} }
Svoboda, Karel. Sur la déformation projective des pseudocongruences complètement focales. I. Archivum mathematicum, Tome 03 (1967) no. 2, pp. 83-98. http://geodesic.mathdoc.fr/item/ARM_1967__3_2_a4/