1. Positive Solutions of Differential, Difference and Integral Equations;Agarwal,1999
2. On the existence of solutions for a class of first order differential equations;Al-Khaled;Internat. J. Math. Math. Sci.,2001
3. Boundary value problems for nonlinear ordinary differential equations;Antosiewicz;Pacific J. Math.,1966
4. Three-point boundary value problems for some nonlinear second-order differential equations;Bobisud;Dynamic Systems Appl.,2001
5. Nonlinear boundary value problems for ordinary differential equations;Granas;Dissertationes Math. (Rozprawy Mat.),1985