Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1971__193_182716, author = {Douglas HARRIS}, title = {Katetov {Extension} as a {Functor.}}, journal = {Mathematische Annalen}, pages = {171--175}, publisher = {mathdoc}, volume = {193}, year = {1971}, zbl = {0205.26603}, url = {http://geodesic.mathdoc.fr/item/MAN_1971__193_182716/} }
Douglas HARRIS. Katetov Extension as a Functor.. Mathematische Annalen, Tome 193 (1971), pp. 171-175. http://geodesic.mathdoc.fr/item/MAN_1971__193_182716/