@MISC\{IMM2004-03217, author = "P. E. Frandsen and K. Jonasson and H. B. Nielsen and O. Tingleff", title = "Unconstrained Optimization, 3rd edition", year = "2004", pages = "79", publisher = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}", address = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby", url = "http://www2.compute.dtu.dk/pubdb/pubs/3217-full.html" }