Semi-infinite programming M López, G Still European journal of operational research 180 (2), 491-518, 2007 | 385 | 2007 |

Solving bilevel programs with the KKT-approach GB Allende, G Still Mathematical programming 138 (1), 309-332, 2013 | 136 | 2013 |

Discretization in semi-infinite programming: the rate of convergence G Still Mathematical programming 91 (1), 53-69, 2001 | 133 | 2001 |

Algorithmic principles of mathematical programming U Faigle, W Kern, G Still Springer Science & Business Media, 2013 | 120 | 2013 |

Generalized semi-infinite programming: a tutorial FG Vázquez, JJ Rückmann, O Stein, G Still Journal of computational and applied mathematics 217 (2), 394-419, 2008 | 119 | 2008 |

Solving semi-infinite optimization problems with interior point techniques O Stein, G Still SIAM Journal on Control and Optimization 42 (3), 769-788, 2003 | 117 | 2003 |

Generalized semi-infinite programming: Theory and methods G Still European Journal of Operational Research 119 (2), 301-313, 1999 | 113 | 1999 |

On generalized semi-infinite optimization and bilevel optimization O Stein, G Still European Journal of Operational Research 142 (3), 444-462, 2002 | 108 | 2002 |

Second order optimality conditions for generalized semi-infinite programming problems R Hettich, G Still Optimization 34 (3), 195-211, 1995 | 94 | 1995 |

The generalized minimum spanning tree problem PC Pop, W Kern, GJ Still Faculty of Mathematical Sciences, University of Twente, 2000 | 83 | 2000 |

On optimality conditions for generalized semi-infinite programming problems G Stein, G Still Journal of Optimization Theory and Applications 104 (2), 443-458, 2000 | 72 | 2000 |

Generalized semi-infinite programming: numerical aspects G Still Optimization 49 (3), 223-242, 2001 | 67 | 2001 |

Interior points of the completely positive cone M Dür, G Still The Electronic Journal of Linear Algebra 17, 48-53, 2008 | 57 | 2008 |

A new relaxation method for the generalized minimum spanning tree problem PC Pop, W Kern, G Still European Journal of Operational Research 170 (3), 900-908, 2006 | 50 | 2006 |

Lectures on parametric optimization: An introduction G Still Optimization Online, 2018 | 47 | 2018 |

Semi-infinite programming models in robotics R Hettich, GJ Still Parametric Optimization and Related Topics II,(Guddat/Jongen/Kummer/Nozicka …, 1991 | 41 | 1991 |

Optimality conditions in smooth nonlinear programming G Still, M Streng Journal of optimization theory and applications 90 (3), 483-515, 1996 | 32 | 1996 |

Accurate numerical approximations of eigenfrequencies and eigenfunctions of elliptic membranes R Hettich, E Haaren, M Ries, G Still ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1987 | 31 | 1987 |

An elementary proof of the Fritz-John and Karush–Kuhn–Tucker conditions in nonlinear programming Şİ Birbil, JBG Frenk, GJ Still European journal of operational research 180 (1), 479-484, 2007 | 29 | 2007 |

Connections between generalized, inexact and semi-infinite linear programming R Tichatschke, R Hettich, G Still Zeitschrift für Operations Research 33 (6), 367-382, 1989 | 29 | 1989 |