1. Approximate solutions to a new class of nonlinear diffusion problems;Cabada;J. Comput. Appl. Math.,1999
2. On first order discontinuous scalar differential equations;Cabada;Nonlinear Stud.,1999
3. Operator equations in ordered sets and discontinuous implicit parabolic equations;Carl;Nonlinear Anal.,2001
4. Nonlinear Differential Equations in Ordered Spaces;Carl,2000
5. Monotone Iterative Techniques for Discontinuous Nonlinear Differential Equations;Heikkilä,1994