Yuquan Ye, Chi Kin Chan, B. P. K. Leung. Some optimality conditions of quasilinear elliptic obstacle optimal control problems. Applied Mathematics and Computation, 188(2):1757-1771, 2007. [doi]
@article{YeCL07:0, title = {Some optimality conditions of quasilinear elliptic obstacle optimal control problems}, author = {Yuquan Ye and Chi Kin Chan and B. P. K. Leung}, year = {2007}, doi = {10.1016/j.amc.2006.11.038}, url = {http://dx.doi.org/10.1016/j.amc.2006.11.038}, researchr = {https://researchr.org/publication/YeCL07%3A0}, cites = {0}, citedby = {0}, journal = {Applied Mathematics and Computation}, volume = {188}, number = {2}, pages = {1757-1771}, }