中国科学院数学与系统科学研究院期刊网
Modular Filter Convergence Theorems for Urysohn Integral Operators and Applications
Antonio BOCCUTO, Xenofon DIMITRIOU
Acta Mathematica Sinica . 2013, (6): 1055 -1066 .  DOI: 10.1007/s10114-013-1443-6