@MASTERSTHESIS\{IMM2000-0469,
    author       = "M. Jacobsen",
    title        = "Two-Grid Iterative Methods for Ill-Posed Problems",
    year         = "2000",
    school       = "",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/469-full.html",
    isbn_issn    = "IMM-EKS-2000-27"
}