%0 Journal Article %A Ewa Ligocka %T The Sobolev spaces of harmonic functions %J Studia Mathematica %D 1986 %P 79-87 %V 84 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-84-1-79-87/ %R 10.4064/sm-84-1-79-87 %G en %F 10_4064_sm_84_1_79_87