BibTeX
@TECHREPORT{
         Knapp1968Nso,
       AUTHOR = "Knapp, H. and Wanner, G.",
       TITLE = "Numerical solution of ordinary differential equations by {G}roebner's method of
         {L}ie-series",
       TYPE = "Technical Summary Report",
       NUMBER = "No. 880",
       INSTITUTION = "Mathematics Research Center, University of Wisconsin - Madison",
       YEAR = "1968",
       REFERRED = "[Halin1983Tao]; [Rall1980Aos].",
       KEYWORDS = "point algorithm; automatic differentiation; Lie series."
}