@ARTICLE\{IMM1999-0415,
    author       = "K. Madsen and H. B. Nielsen and M. C. Pinar",
    title        = "Bound Constrained Quadratic Programming via Piecewise Quadratic Functions",
    year         = "1999",
    pages        = "135-156",
    journal      = "Mathematical Programming",
    volume       = "85",
    editor       = "",
    number       = "1",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/415-full.html"
}