References
- B. Ahmad and A. Alsaedi. Existence of approximate solutions of the forced duffing equation with discontinuous type integral boundary conditions. Nonlinear Anal. Real World Appl., 10: 358–367, 2009. http://dx.doi.org/10.1016/j.nonrwa.2007.09.004.
- B. Ahmad, A. Alsaedi and B.S. Alghamdi. Analytic approximation of solutions of the forced duffing equation with integral boundary conditions. Nonlinear Anal. Real World Appl., 9: 1727–1740, 2008. http://dx.doi.org/10.1016/j.nonrwa.2007.05.005.
- B. Ahmad and S.K. Ntouyas. Boundary value problems for n-th order differential inclusions with four-point integral boundary conditions. Opuscula Math., 32: 205–226, 2012. http://dx.doi.org/10.7494/OpMath.2012.32.2.205.
- B. Ahmad and S.K. Ntouyas. A study of higher-order nonlinear ordinary differential equations with four-point nonlocal integral boundary conditions. J. Appl. Math. Comput., 39: 97–108, 2012. http://dx.doi.org/10.1007/s12190-011-0513-0.
- R.I. Avery and J. Henderson. Two positive fixed points of nonlinear operators on ordered banach spaces. Comm. Appl. Nonlinear Anal., 8(1): 27–36, 2001.
- A. Boucherif. Second-order boundary value problems with integral boundary conditions. Nonlinear Anal., 70(1): 364–371, 2009. http://dx.doi.org/10.1016/j.na.2007.12.007.
- R. Čiegis, A. Štikonas, O. Štikonienė and O. Suboč. Stationary problems with nonlocal boundary conditions. Math. Model. Anal., 6(2): 178–191, 2001.
- R. Čiegis, A. Štikonas, O. Štikonienė and O. Suboč. A monotonic finite- difference scheme for a parabolic problem with nonlocal conditions. Differ. Equ., 38(7): 1027–1037, 2002. http://dx.doi.org/10.1023/A:1021167932414.
- M. Feng. Multiple positive solutions of four-order impulsive differential equations with integral boundary conditions and one-dimensional p-Laplacian. Bound. Value Probl., 2011. http://dx.doi.org/10.1155/2011/654871. Art. ID 654871, 26 pp
- M. Feng, X. Zhang and X. Yang. Positive solutions of nth-order nonlinear impulsive differential equation with nonlocal boundary conditions. Bound. Value Probl., 2011. http://dx.doi.org/10.1186/1687-2770-2011-720702. Art. ID 456426, 19 pp
- Y. Li and F. Li. Sign-changing solutions to second-order integral boundary value problems. Nonlinear Anal., 69(4): 1179–1187, 2008. http://dx.doi.org/10.1016/j.na.2007.06.024.
- Y.H. Li, H.Y. Zhang and Z.L. Zhang. Existence of three positive solutions to a singular integral boundary value problem for systems of nonlinear nth-order ordinary differential equations. Appl. Math. J. Chinese Univ. Ser. A, 27(2): 168–174, 2012.
- J.L. Ren, W. Ge and B.X. Ren. Existence of three positive solutions for quasilinear boundary value problem. Acta Math. Appl. Sin. Engl. Ser., 21: 353–358, 2005. http://dx.doi.org/10.1007/s10255-005-0242-y.
- Z. Yang. Existence of nontrivial solutions for a nonlinear Sturm–Liouville problem with integral boundary conditions. Nonlinear Anal., 68(1): 216–225, 2008. http://dx.doi.org/10.1016/j.na.2006.10.044.
- X. Zhang, M. Feng and W. Ge. Existence results for nonlinear boundary- value problems with integral conditions in Banach spaces. Nonlinear Anal., 69(10): 3310–3321, 2008. http://dx.doi.org/10.1016/j.na.2007.09.020.
- X. Zhang, X. Yang and W. Ge. Positive solutions of nth-order impulsive boundary value problems with integral boundary conditions in Banach spaces. Nonlinear Anal., 71(12): 5930–5945, 2009. http://dx.doi.org/10.1016/j.na.2009.05.016.