Articles in Scholarly Journals [Incomplete List]

1. Geometric aspects of high-order eigenvalue problems I. Structures on spaces of boundary conditions
   International Journal of Mathematics and Mathematical Sciences, vol. 2004, no. 13, pp. 647–678, 2004
2. Inequalities among eigenvalues of Sturm–Liouville problems
   Journal of Inequalities and Applications, vol. 3, no. 1, pp. 25–43, 1999