%0 Journal Article %A JoaquĆ­n Motos %A %T On Bell's duality theorem for harmonic functions %J Studia Mathematica %D 1999 %P 49-60 %V 137 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-137-1-49-60/ %R 10.4064/sm-137-1-49-60 %G en %F 10_4064_sm_137_1_49_60