@article{10_4064_ap_58_1_47_51, author = {Jolanta Plewnia}, title = {A generalization of the {Hahn-Banach} theorem}, journal = {Annales Polonici Mathematici}, pages = {47--51}, publisher = {mathdoc}, volume = {58}, number = {1}, year = {1993}, doi = {10.4064/ap-58-1-47-51}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-58-1-47-51/} }