@article{JNSA_2019_12_3_a5,
     author = {Hashemi, E.  and Ghaemi, M. B. },
     title = {Ekeland's variational principle in complete {quasi-G-metric} spaces },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {184-191},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2019},
     doi = {10.22436/jnsa.012.03.06},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.012.03.06/}
}