TY - JOUR AU - Zhang, Fengqin AU - Zhao, Aimin AU - Yan, Yurang TI - Monotone iterative method for differential equations with piecewise constant arguments. JO - Portugaliae mathematica PY - 2000 SP - 345 EP - 353 VL - 57 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_2000__57_3_48913/ LA - en ID - PORMA_2000__57_3_48913 ER -