@article{GDZPPN002331845,
title = {Elliptic Equations and Maps of Bounded Length Disortion.},
journal = {Mathematische Annalen},
volume = {280},
year = {1988},
pages = {423-444},
zbl = {0632.35021},
url = {http://dml.mathdoc.fr/item/GDZPPN002331845}
}
Martio, O.; Väisälä, J. Elliptic Equations and Maps of Bounded Length Disortion.. Mathematische Annalen, Tome 280 (1988) pp. 423-444. http://gdmltest.u-ga.fr/item/GDZPPN002331845/