Shouchuan Hu, Nikolaos S. Papageorgiou. Nonlinear Elliptic Problems of Neumann-Type. Periodica Mathematica Hungarica, 40(1):13-29, 2000. [doi]
@article{HuP00-0, title = {Nonlinear Elliptic Problems of Neumann-Type}, author = {Shouchuan Hu and Nikolaos S. Papageorgiou}, year = {2000}, doi = {10.1023/A%3A1004883721069}, url = {http://dx.doi.org/10.1023/A%3A1004883721069}, researchr = {https://researchr.org/publication/HuP00-0}, cites = {0}, citedby = {0}, journal = {Periodica Mathematica Hungarica}, volume = {40}, number = {1}, pages = {13-29}, }