Variants of the Ekeland variational principle for approximate proper solutions of vector equilibrium problems
- Hai, L.P.
- Huerga, L.
- Khanh, P.Q.
- Novo, V.
ISSN: 1573-2916, 0925-5001
Year of publication: 2019
Volume: 74
Issue: 2
Pages: 361-382
Type: Article