@PHDTHESIS{Koch2004,
   author      = "Thorsten Koch",
   title       = "Rapid Mathematical Programming",
   school      = "Technische {Universit\"at} Berlin",
   year        = "2004",
   url         = "http://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/834",
   note        = "ZIB-Report 04-58",
}