%0 Journal Article %A Gastão Bettencourt %A Sérgio Mendes %T On the stability of a quadratic functional equation over non-Archimedean spaces %J Filomat %D 2021 %P 2693 %V 35 %N 8 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2108693B/ %R 10.2298/FIL2108693B %G en %F 10_2298_FIL2108693B