@ARTICLE\{IMM1996-0467,
    author       = "P. C. Hansen and K. Mosegaard",
    title        = "Piecewise Polynomial Solutions Without a Priori Break Points",
    year         = "1996",
    pages        = "513-524",
    journal      = "Numerical Linear Algebra with Applications",
    volume       = "3",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/467-full.html"
}