TY - JOUR AU - P. S. Simeonov AU - D. D. Bainov TI - On an integral inequality for piecewise continuous functions JO - Annales Polonici Mathematici PY - 1988 SP - 253 EP - 258 VL - 49 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-49-3-253-258/ DO - 10.4064/ap-49-3-253-258 LA - en ID - 10_4064_ap_49_3_253_258 ER -