Journal of Mathematical Inequalities · Volume 13, Issue 4

3-Variable double ρ-functional inequalities of Drygas

13-87 Pages 1235-1244 DOI 10.7153/jmi-2019-13-87

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Authors

Wenlong Sun Yuanfeng Jin Choonkil Park Gang Lu

Keywords

Drygas functional equation Hyers-Ulam stability double ρ-functional inequalities Banach space

Subject classes

39B62 39B52 46B25