... Notes and Reports in Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1988.12 R. I. Avery and A. C. Peterson, “Three positive fixed points of nonlinear operators on ... applying the Krasnoselskii fixed point theorem. In Section 4,wegive the existence of three positive solutions for BVP1.1 by using a new fixed point theoremintroduced by Avery and Peterson. In ... u110urhrdr,1.1where φ, f, g,andh satisfy the following conditions.H1 φ is an odd, increasing homeomorphism from R onto R, and there exist twoincreasing homeomorphisms ψ1 and ψ2of 0, ∞ onto...