1. Graettinger, T. J., and Krogh, B. H., The Acceleration Radius: A Global Performance Measure for Robotic Manipulators, IEEE Journal of Robotics and Automation, Vol. 4, pp. 60–69, 1988.
2. Hettich, R., and Still, G., Semi-Infinite Programming Models in Robotics, Parametric Optimization and Related Topics II, Edited by J. Guddat, H. T. Jongen, B. Kummer, and F. Nožička, Mathematical Research, Akademie Verlag, Berlin, Germany, Vol. 62, pp. 112–118, 1991.
3. Krabs, W., On Time-Minimal Heating or Cooling of a Ball, International Series of Numerical Mathematics, Birkhäuser, Basel, Switzerland, Vol. 81, pp. 121–131, 1987.
4. Hoffmann, A., and Reinhardt, R., On Reverse Chebyshev Approximation Problems, Preprint M 08/94, Faculty of Mathematics and Natural Sciences, Technical University of Ilmenau, 1994.
5. Kaplan, A., and Tichatschke, R., On a Class of Terminal Variational Problems, Parametric Optimization and Related Topics IV, Edited by J. Guddat, H. T. Jongen, F. Nožička, G. Still, and F. Twilt, Peter Lang, Frankfurt, Germany, pp. 185–199, 1997.