Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1985__35_1_a11, author = {Mi\v{s}{\'\i}k, Ladislav, Jr.}, title = {On the problem of preserving the class of continuous real functions}, journal = {Mathematica slovaca}, pages = {91--97}, publisher = {mathdoc}, volume = {35}, number = {1}, year = {1985}, mrnumber = {783967}, zbl = {0593.54017}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1985__35_1_a11/} }
Mišík, Ladislav, Jr. On the problem of preserving the class of continuous real functions. Mathematica slovaca, Tome 35 (1985) no. 1, pp. 91-97. http://geodesic.mathdoc.fr/item/MASLO_1985__35_1_a11/