%0 Journal Article %A Olli Lehto %T Remarks on the integrability of the derivatives of quasiconformal mappings %J Annales Fennici Mathematici %D 1966 %V 371-390 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1966.371/ %R 10.5186/aasfm.1966.371 %G en %F AFM_1966_371-390_a19