... pp. 588–611, 2010.17 D. J. Guo and V. Lakshmikantham, Nonlinear Problems in Abstract Cones, vol. 5 of Notes and Reports in Mathematics in Science and Engineering, Academic Press, Boston, Mass, ... PositiveSolution of Fourth-Order Nonhomogeneous BVPsJian-Ping Sun and Xiao-Yun WangDepartment of Applied Mathematics, Lanzhou University of Technology, Lanzhou, Gansu 730050, ChinaCorrespondence ... have attracted many authors’ attention. For instance,Ma 6, 7 and L. Kong and Q. Kong 8–10 studied some second-order multipointnonhomogeneous BVPs. In particular, L. Kong and Q. Kong 10...