1. Monotone Iterative Techniques for Nonlinear Differential Equations;Ladde,1985
2. Periodic boundary value problems for nonlinear first order ordinary differential equations;Nieto;Acta Math. Hungar.,1996
3. Generalized Quasilinearization for Nonlinear Problems;Lakshmikantham,1998
4. Remarks on first order differential equations with anti-periodic boundary conditions;Yin;Nonlinear Times and Digest,1995
5. Monotone iterative technique and quasilinearization for some anti-periodic problems;Yin;Nonlinear World,1996