Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1966__7_1_a4, author = {Tom\'a\v{s}ek, Stanislav}, title = {On a theorem of {M.} {Kat\v{e}tov}}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {105--108}, publisher = {mathdoc}, volume = {07}, number = {1}, year = {1966}, mrnumber = {0229193}, zbl = {0195.40701}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1966__7_1_a4/} }
Tomášek, Stanislav. On a theorem of M. Katětov. Commentationes Mathematicae Universitatis Carolinae, Tome 07 (1966) no. 1, pp. 105-108. http://geodesic.mathdoc.fr/item/CMUC_1966__7_1_a4/