@article{GDZPPN002221128,
title = {A Counter-Example to the Boundary Regularity of Solutions to Elliptic Quasilinear Systems.},
journal = {Manuscripta mathematica},
volume = {25},
year = {1978},
pages = {217-220},
zbl = {0373.35027},
url = {http://dml.mathdoc.fr/item/GDZPPN002221128}
}
Giaquinta, Mariano. A Counter-Example to the Boundary Regularity of Solutions to Elliptic Quasilinear Systems.. Manuscripta mathematica, Tome 25 (1978) pp. 217-220. http://gdmltest.u-ga.fr/item/GDZPPN002221128/