@article{GDZPPN002440407, title = {Nonlinear elliptic systems with dynamic boundary conditions.}, journal = {Mathematische Zeitschrift}, volume = {209}, year = {1992}, pages = {413-440}, zbl = {0759.35025}, url = {http://dml.mathdoc.fr/item/GDZPPN002440407} }
Escher, Joachim. Nonlinear elliptic systems with dynamic boundary conditions.. Mathematische Zeitschrift, Tome 209 (1992) pp. 413-440. http://gdmltest.u-ga.fr/item/GDZPPN002440407/