%0 Journal Article %A Ilpo Laine %T Covering properties of harmonic Bl-mappings III %J Annales Fennici Mathematici %D 1975 %P 309-325 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.0108/ %R 10.5186/aasfm.1975.0108 %G en %F AFM_1975_1_2_a9