@ARTICLE\{IMM1990-03702,
    author       = "V. V. Vidal and H. Ravn",
    title        = "Engineering applications of discrete-time optimal control",
    year         = "1990",
    keywords     = "optimization, control, engineering",
    pages        = "241-250",
    journal      = "European Journal of Operational Research",
    volume       = "45",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3702-full.html"
}