弱次可加集值映射的可加选择映射的唯一存在性

朴勇杰, 石仁淑

The Unique Existence of Additive Selection Maps for a Weak Subadditive Set-valued Map

PIAO Yong-jie, SHI Ren-shu

数学季刊 . 2013, (1): 53 -59 .