BibTeX
@ARTICLE{
         Gill2002SAS,
       author = "Gill, P. E. and Murray, W. and Saunders, M. A.",
       title = "{SNOPT}: An {SQP} Algorithm for Large-Scale Constrained Optimization",
       journal = "{SIAM} Journal on Optimization",
       volume = "12",
       pages = "979--1006",
       year = "2002"
}