中国科学院数学与系统科学研究院期刊网
YOSIDA APPROXIMATIONS TO A CLASS OF NONLINEAR MAPPINGS AND THEIR ASYMPTOTIC PROPERTIES
XU ZONGBEN, XU CHENGXIAN
Acta Mathematicae Applicatae Sinica . 1995, (2): 257 -263 .  DOI: 10.12387/C1995033