%0 Journal Article %A O. Martio %A S. Rickman %T Boundary behavior of quasiregular mappings %J Annales Fennici Mathematici %D 1972 %V 501-520 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1972.507/ %R 10.5186/aasfm.1972.507 %G en %F AFM_1972_501-520_a13