%0 Journal Article %A Petru Caraman %T About a conjecture of F. W. Gehring on the boundary correspondence by quasi-conformal mappings %J Annales Polonici Mathematici %D 1976 %P 21-33 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-33-1-21-33/ %R 10.4064/ap-33-1-21-33 %G en %F 10_4064_ap_33_1_21_33