@article{GDZPPN002352842, title = {On the Integrability of the Derivative of a Quasiregular Mapping.}, journal = {Mathematica Scandinavica}, volume = {34}, year = {1974}, pages = {43-48}, zbl = {0296.30019}, url = {http://dml.mathdoc.fr/item/GDZPPN002352842} }
Martio, O. On the Integrability of the Derivative of a Quasiregular Mapping.. Mathematica Scandinavica, Tome 34 (1974) pp. 43-48. http://gdmltest.u-ga.fr/item/GDZPPN002352842/