@article{AFM_1966_371-390_a19,
     author = {Olli Lehto},
     title = {Remarks on the integrability of the derivatives of quasiconformal mappings},
     journal = {Annales Fennici Mathematici},
     year = {1966},
     volume = {371-390},
     doi = {10.5186/aasfm.1966.371},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1966.371/}
}