Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1971__21_3_a1, author = {Fut\'a\v{s}, Eugen}, title = {Extension of {Continuous} {Functionals}}, journal = {Mathematica slovaca}, pages = {191--198}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {1971}, mrnumber = {0303250}, zbl = {0225.46049}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1971__21_3_a1/} }
Futáš, Eugen. Extension of Continuous Functionals. Mathematica slovaca, Tome 21 (1971) no. 3, pp. 191-198. http://geodesic.mathdoc.fr/item/MASLO_1971__21_3_a1/