@ARTICLE\{IMM1981-0270,
    author       = "H. Juel and R. F. Love",
    title        = "Fixed point optimality criteria for the location problem with arbitrary norms",
    year         = "1981",
    pages        = "891-897",
    journal      = "The Journal of the Operational Research Society",
    volume       = "32",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/270-full.html"
}