@article{GDZPPN002355221, title = {Sub-elliptic estimates for the oblique derivative problem.}, journal = {Mathematica Scandinavica}, volume = {43}, year = {1978}, pages = {169-176}, zbl = {0398.35031}, url = {http://dml.mathdoc.fr/item/GDZPPN002355221} }
Winzell, Bengt. Sub-elliptic estimates for the oblique derivative problem.. Mathematica Scandinavica, Tome 43 (1978) pp. 169-176. http://gdmltest.u-ga.fr/item/GDZPPN002355221/