@incollection{WimmerSteinmetzClemens2005, author = {Georg Wimmer and T. Steinmetz and M. Clemens}, title = {Numerical Solution of Optimal Control Problems with Sparse SQP-Methods}, booktitle = {ENUMATH}, series = {Numerical Mathematics and Advanced Applications}, editor = {A. Berm{\´u}dez de Castro and D. G{\´o}mez and P. Quintela and P. Salgado}, isbn = {3-540-34287-7}, year = {2005}, }