@CONFERENCE\{IMM1986-01590,
    author       = "F. Nielson",
    title        = "Abstract Interpretation of  Denotational Definitions",
    year         = "1986",
    pages        = "1-20",
    booktitle    = "Proc. {STACS'}86",
    volume       = "210",
    series       = "Lecture Notes in Computer Science",
    editor       = "",
    publisher    = "Springer-Verlag",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1590-full.html"
}