%0 Journal Article %A Tadeusz Pytlik %T Harmonic functions and Hardy spaces on trees with boundaries %J Colloquium Mathematicum %D 1992 %P 263-272 %V 63 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-63-2-263-272/ %R 10.4064/cm-63-2-263-272 %G en %F 10_4064_cm_63_2_263_272