An Optimal A Priori Error Estimate for Nonlinear Multibody Contact Problems. - Stefan Hüeber; Barbara I. Wohlmuth (SIAM J. Numer. Anal., 2005)

Efficient Algorithms for Problems with Friction. - Stefan Hüeber; Alina Matei; Barbara I. Wohlmuth (SIAM J. Sci. Comput., 2007)

A Primal-Dual Active Set Algorithm for Three-Dimensional Contact Problems with Coulomb Friction. - Stefan Hüeber; Georg Stadler; Barbara I. Wohlmuth (SIAM J. Sci. Comput., 2008)