Mathematical Inequalities & Applications · Volume 22, Issue 1 Applications of one inequality to measures of non-compactness and narrow operators 22-19 Pages 249-260 DOI 10.7153/mia-2019-22-19 Downloads Short PDF Full PDF PNG Authors Nina A. Erzakova Keywords separation measure of non-compactness metric spaces narrow operators compact operators Subject classes 47H08 46B50 46E30 47J20 47A50