@TECHREPORT\{IMM1999-02404,
    author       = "P. G. Thomsen and C. Bendtsen",
    title        = "Numerical Solution of Differential Algebraic Equations",
    year         = "1999",
    keywords     = "DAE's, Index, Index reduction, {BDF,} {GERK,} {SDIRK}",
    number       = "",
    series       = "",
    institution  = "",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2404-full.html",
    isbn_issn    = "1999-08"
}