Hans D. Mittelmann. Verification of Second-Order Sufficient Optimality Conditions for Semilinear Elliptic and Parabolic Control Problems. Comp. Opt. and Appl., 20(1):93-110, 2001. [doi]
@article{Mittelmann01, title = {Verification of Second-Order Sufficient Optimality Conditions for Semilinear Elliptic and Parabolic Control Problems}, author = {Hans D. Mittelmann}, year = {2001}, doi = {10.1023/A:1011275507262}, url = {http://dx.doi.org/10.1023/A:1011275507262}, researchr = {https://researchr.org/publication/Mittelmann01}, cites = {0}, citedby = {0}, journal = {Comp. Opt. and Appl.}, volume = {20}, number = {1}, pages = {93-110}, }