References
- D. Bai and J. Yu. Semipositone problems of second order ordinary differential equations, 10 October 2009. Available from Internet: http://www.paper.edu.cn/. Sciencepaper Online
- J.R. Graef and L. Kong. Positive solutions for third order semipositone boundary value problems. Appl. Math. Lett., 22:1154–1160, 2009. http://dx.doi.org/10.1016/j.aml.2008.11.008.
- D. Guo and V. Lakshmikantham. Nonlinear Problems in Abstract Cones. Taylor & Francis, Orlando, 1988.
- S. Li, F. Liao and H. Zhu. Multiplicity of positive solutions to second-order singular differential equations with a parameter. Bound. Value Probl., 2014(115):1–12, 2014. http://dx.doi.org/10.1186/1687-2770-2014-115.
- H. Lu. Multiple positive solutions for singular semipositone periodic boundary value problems with derivative dependence. J. Appl. Math., 2012:1–12, 2012. http://dx.doi.org/10.1155/2012/295209. Article ID 295209
- R. Ma. Multiple positive solutions for a semipositone fourth-order boundary value problem. Hiroshima J. Math., 33(1):217–227, 2003.
- A.R. Miciano and R. Shivaji. Multiple positive solutions for a class of semipositone Neumann two point boundary value problems. J. Math. Anal. Appl., 178(1):102–115, 1993. http://dx.doi.org/10.1006/jmaa.1993.1294.
- M.N. Nkashama and J. Santanilla. Existence of positive solutions for some nonlinear boundary value problems. J. Differential Equations, 84:148–164, 1990. http://dx.doi.org/10.1016/0022-0396(90)90131-8.
- H. Sua, L. Liu and Y. Wu. Positive solutions for a nonlinear second-order semipositone boundary value system. Nonlinear Anal., 71:3240–3248, 2009. http://dx.doi.org/10.1016/j.na.2009.01.201.
- J.P. Sun and J. Wei. Existence of positive solutions of positive solution for semipositone second-order three-point boundary-value problems. Electron. J. Differential Equations, 2008(41):1–7, 2008.
- Q. Yao. Positive solutions of a weak semipositone third-order three-point boundary value problem. J. Math. Res. Exposition, 30(1):173–180, 2010.
- L. Zhang, B. Sun and C. Xing. Existence of solutions to a third-order three-point boundary value problem. Ann. Differential Equations, 28(3):368–372, 2012.
- X. Zhang and L. Liu. Positive solutions of superlinear semipositone singular Dirichlet boundary value problems. J. Math. Anal. Appl., 316:525–537, 2006. http://dx.doi.org/10.1016/j.jmaa.2005.04.081.