Mathematical Inequalities & Applications · Volume 6, Issue 3 Boundary value problems for first order parametrize differential equations with piecewise constant arguments 06-43 Pages 469-476 DOI 10.7153/mia-06-43 Downloads Short PDF Full PDF PNG Authors Zhang Fengqin Ma Zhien Yan Jurang Keywords parametrized differential equation with piecewise constant arguments upper and lower solutions monotone iterative technique comparison inequality Subject classes 34B15