%0 Journal Article %A Gaven J. Martin %T Super regularity for Beltrami systems %J Annales Fennici Mathematici %D 2021 %P 59-65 %V 46 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2021_46_1_a3/ %G en %F AFM_2021_46_1_a3