Peter Kunkel, Volker Mehrmann. Optimal control for unstructured nonlinear differential-algebraic equations of arbitrary index. MCSS, 20(3):227-269, 2008. [doi]
@article{KunkelM08, title = {Optimal control for unstructured nonlinear differential-algebraic equations of arbitrary index}, author = {Peter Kunkel and Volker Mehrmann}, year = {2008}, doi = {10.1007/s00498-008-0032-1}, url = {http://dx.doi.org/10.1007/s00498-008-0032-1}, tags = { algebra}, researchr = {https://researchr.org/publication/KunkelM08}, cites = {0}, citedby = {0}, journal = {MCSS}, volume = {20}, number = {3}, pages = {227-269}, }