@article{10_2298_FIL2108693B,
     author = {Gast\~ao Bettencourt and S\'ergio Mendes},
     title = {On the stability of a quadratic functional equation over {non-Archimedean} spaces},
     journal = {Filomat},
     pages = {2693 },
     year = {2021},
     volume = {35},
     number = {8},
     doi = {10.2298/FIL2108693B},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2108693B/}
}