BibTeX
@INCOLLECTION{
         Schittkowski2004PAm,
       ad_tools = "PCOMP",
       author = "Klaus Schittkowski",
       title = "{PCOMP}: A modeling language for nonlinear programs with automatic differentiation",
       booktitle = "Modeling Languages in Mathematical Optimization",
       pages = "349--367",
       publisher = "Kluwer Academic Publishers",
       year = "2004",
       editor = "J. Kallrath",
       volume = "88",
       series = "Applied Optimization"
}