Citation: M. Cherpion et al., An existence result for first order periodic problems with discontinuous and singular nonlinearities, NONLIN ANAL, 47(4), 2001, pp. 2431-2436
Citation: A. Cabada et al., Existence and approximation of solutions for first-order discontinuous difference equations with nonlinear global conditions in the presence of lowerand upper solutions, COMPUT MATH, 39(1-2), 2000, pp. 21-33
Citation: A. Cabada et Rl. Pouso, Extremal solutions of strongly nonlinear discontinuous second-order equations with nonlinear functional boundary conditions, NONLIN ANAL, 42(8), 2000, pp. 1377-1396
Citation: A. Cabada et al., A generalization of the method of upper and lower solutions for discontinuous first order problems with nonlinear boundary conditions, APPL MATH C, 114(2-3), 2000, pp. 135-148
Citation: A. Cabada et al., Optimal existence conditions for phi-Laplacian equations with upper and lower solutions in the reversed order, J DIFF EQUA, 166(2), 2000, pp. 385-401