%0 Journal Article %A Hung Le Pham %T A theorem of Gel'fand–Mazur type %J Studia Mathematica %D 2009 %P 81-88 %V 191 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm191-1-6/ %R 10.4064/sm191-1-6 %G de %F 10_4064_sm191_1_6