次可加集值映射的可加选择映射的存在性定理的改进

朴勇杰

An Improvement of Existence Theorems of Additive Selection Maps for Sub-additive Set-valued Maps

PIAO Yong-jie

数学季刊 . 2017, (2): 187 -193 . DOI: 10.13371/j.cnki.chin.q.j.m.2017.02.009