@article{BUMI_2009_9_2_3_a9,
     author = {Capozzoli, Costantino},
     title = {Sufficient {Conditions} for {Integrability} of {Distortion} {Function} {Kf} 1},
     journal = {Bollettino della Unione matematica italiana},
     pages = {699--710},
     publisher = {mathdoc},
     volume = {Ser. 9, 2},
     number = {3},
     year = {2009},
     zbl = {1191.46027},
     mrnumber = {2569298},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2009_9_2_3_a9/}
}