@article {RenGreifGreenstreet2007,
    AUTHOR = {Ren, Jihong and Greif, Chen and Greenstreet, Mark R.},
     TITLE = {An efficient linear programming solver for optimal filter
              synthesis},
   JOURNAL = {Numer. Linear Algebra Appl.},
    VOLUME = {14},
      YEAR = {2007},
    NUMBER = {9},
     PAGES = {695--712}
}