... Existence of positive solutions for boundary value problem of secondorder FDE,” Computers & Mathematics with Applications, vol 37, no 10, pp 1–9, 1999 [5] P X Weng and Y Tian, Existence of positive ... Journal of Pure and Applied Mathematics, vol 36, no 12, pp 685–705, 2005 [8] P X Weng and Z H Guo, Existence of positive solutions to BVPs for a nonlinear functional difference equation with p-Laplacian ... Foundation of Naval Aeronautical Engineering Institute 12 Boundary Value Problems References [1] L H Erbe and H Wang, “On the existence of positive solutions of ordinary differential equations,”...