多元Fuzzy连续函数Korovkin逼近定理

陈英伟,常之魁,王志军

Korovkin approximation theorem on fuzzy continuous functions of several variables

CHEN Yingwei, CHANG Zhikui, WANG Zhijun

河北大学学报(自然科学版) . 2022, (2): 118 -123 . DOI: 10.3969/j.issn.1000-1565.2022.02.002