Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1968__9_4_a17, author = {Kol\'a\v{r}, Ivan}, title = {On extended connections}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {687--690}, publisher = {mathdoc}, volume = {09}, number = {4}, year = {1968}, mrnumber = {0246217}, zbl = {0174.25003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a17/} }
Kolář, Ivan. On extended connections. Commentationes Mathematicae Universitatis Carolinae, Tome 09 (1968) no. 4, pp. 687-690. http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a17/