1. Positive solutions for (p, n−p) conjugate boundary value problems;Agarwal;J. Differential Equations,1998
2. R. P. Agarwal, and, D. O'Regan, Twin solutions to singular boundary value problems, Proc. Amer. Math. Soc, in press.
3. Right focal singular boundary value problems;Agarwal;Z. Angew. Math. Mech.,1999
4. R. P. Agarwal, D. O'Regan, and, V. Lahshmikantham, Singular (p, n−p) focal and (n, p) higher order boundary value problems, Nonlinear Anal, in press.
5. Positive solutions of Differential, Difference and Integral Equations;Agarwal,1999