This paper deals with the existence of non constant real valued functions on a topological space X. The main results are related to closed covers and order properties.
@article{urn:eudml:doc:38969, title = {Condici\'on necesaria y suficiente para la existencia de funciones continuas, no constantes de X en [0,1].}, journal = {Stochastica}, volume = {5}, year = {1981}, pages = {193-197}, zbl = {0487.54016}, mrnumber = {MR0641843}, language = {es}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38969} }
Tarazona Ferrandis, Enrique. Condición necesaria y suficiente para la existencia de funciones continuas, no constantes de X en [0,1].. Stochastica, Tome 5 (1981) pp. 193-197. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38969/