Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1976__26_1_a4, author = {Forg\'a\v{c}, Ladislav}, title = {On the {Hahn-Banach} theorem}, journal = {Mathematica slovaca}, pages = {39--45}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1976}, mrnumber = {0440337}, zbl = {0322.46007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1976__26_1_a4/} }
Forgáč, Ladislav. On the Hahn-Banach theorem. Mathematica slovaca, Tome 26 (1976) no. 1, pp. 39-45. http://geodesic.mathdoc.fr/item/MASLO_1976__26_1_a4/