@Conference{roese-koerner-schuh_v13b,
  author    = {Roese-Koerner, L. and Schuh, W.-D.},
  title     = {A rigorous solution of rank-deficient systems with inequality constraints},
  booktitle = {VIII Hotine-Marussi-Symposium},
  address   = {Rome},
  year      = {2013},
  note      = {oral presentation, 21.06.2013}
}