%0 Journal Article %A Brad Beaver %A Leo Sario %A Cecilia Wang %T Positive biharmonic functions %J Annales Fennici Mathematici %D 1982 %P 141-146 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1982.0714/ %R 10.5186/aasfm.1982.0714 %G en %F AFM_1982_7_2_a2