@article{GDZPPN002205726,
title = {Oblique derivative problems in Lipschitz domains: II. Discontinuous boundary data.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {390},
year = {1988},
pages = {1-21},
zbl = {0648.35033},
url = {http://dml.mathdoc.fr/item/GDZPPN002205726}
}
Lieberman, Gary M. Oblique derivative problems in Lipschitz domains: II. Discontinuous boundary data.. Journal für die reine und angewandte Mathematik, Tome 390 (1988) pp. 1-21. http://gdmltest.u-ga.fr/item/GDZPPN002205726/