%0 Journal Article %A Leonid V. Kovalev %A Jani Onninen %T An N-dimensional version of the Beurling-Ahlfors extension %J Annales Fennici Mathematici %D 2011 %P 321-329 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2011.3620/ %R 10.5186/aasfm.2011.3620 %G en %F AFM_2011_36_1_a19