@article{00639828, title = {Hahn-Banach theorem implies Riesz theorem.}, journal = {Portugaliae Mathematica. Nova S\'erie}, volume = {51}, year = {1994}, pages = {217-218}, zbl = {0881.46004}, language = {en}, url = {http://dml.mathdoc.fr/item/00639828} }
Crespin, Daniel. Hahn-Banach theorem implies Riesz theorem.. Portugaliae Mathematica. Nova Série, Tome 51 (1994) pp. 217-218. http://gdmltest.u-ga.fr/item/00639828/