@article{LeyLoNo06,
 author         = { S. Leyffer and G. L\'{o}pez-Calva and J. Nocedal},
 title          = {Interior Methods for Mathematical Programs with
                   Complementarity Constraints},
 journal =  SIOPT,
 year    =  {2006},
 volume  =  {17},
 number  =  {1},
 pages   = {52-77}}