1. Totally positive matrices;Ando;Linear Algebra Appl.,1987
2. Nonnegative Matrices in the Mathematical Sciences;Berman,1979
3. A.S. Crans, S.M. Fallat, The Hadamard core for totally nonnegative matrices, An unpublished paper from a National Science Foundation Research Experiences for Undergraduates program held at the College of William and Mary in the summer of 1998
4. S.M. Fallat, Totally nonnegative matrices, Ph.D. Dissertation, Departments of Applied Science and Mathematics, College of William and Mary, Williamsburg, VA, 1999
5. The general totally positive matrix completion problem with few unspecified entries;Fallat;Electron. J. Linear Algebra,2000