%0 Journal Article %A Alireza Ranjbar-Motlagh %T A note on the Poincaré inequality %J Studia Mathematica %D 2003 %P 1-11 %V 154 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm154-1-1/ %R 10.4064/sm154-1-1 %G en %F 10_4064_sm154_1_1