@INCOLLECTION\{IMM1994-01496,
    author       = "K. Madsen and O. Toft",
    title        = "Parallel Interval Methods for Perturbed Linear Systems",
    year         = "1994",
    pages        = "358-362",
    booktitle    = "Lecture Notes in Scientific Computing: Parallel Scientific Computing",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Springer",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1496-full.html"
}