@article{10_4064_sm191_1_6, author = {Hung Le Pham}, title = {A theorem of {Gel'fand{\textendash}Mazur} type}, journal = {Studia Mathematica}, pages = {81--88}, year = {2009}, volume = {191}, number = {1}, doi = {10.4064/sm191-1-6}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm191-1-6/} }