BibTeX
@ARTICLE{
         Goldfarb1984OEo,
       author = "Donald Goldfarb and Philip L. Toint",
       title = "Optimal Estimation of {J}acobian and {H}essian Matrices That Arise in Finite
         Difference Calculations",
       journal = "Mathematics of Computation",
       pages = "69--88",
       key = "Goldfarb1984OEo",
       referred = "[Abate2002IAw], [Hossain2002RtN].",
       year = "1984",
       volume = "43",
       number = "167",
       doi = "10.1090/S0025-5718-1984-0744925-5"
}