BibTeX
@ARTICLE{
         Griewank1982PVM,
       AUTHOR = "Andreas Griewank and Phillipe L. Toint",
       TITLE = "Partitioned Variable Metric Updates for Large Structured Optimization Problems",
       JOURNAL = "Numer. Math.",
       VOLUME = "39",
       YEAR = "1982",
       PAGES = "119--137",
       REFERRED = "[Gay1996MAo]."
}