BibTeX
@ARTICLE{
         Fletcher1983FMW,
       AUTHOR = "Fletcher, R.",
       TITLE = "Function Minimization Without Evaluating Derivatives --- {A} Review",
       JOURNAL = "Comput. J.",
       VOLUME = "8",
       YEAR = "1983",
       PAGES = "33--41",
       REFERRED = "[Gay1991ADo]."
}