@CONFERENCE\{IMM1999-01676,
    author       = "S. Christiansen",
    title        = "Using {MAPLE} to investigate a harmonic boundary integral operator",
    year         = "1999",
    pages        = "1-6",
    booktitle    = "Proceedings of the 16th {IMAC} World Congress, Lausanne, Switzerland, August 21-25",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1676-full.html"
}