TY - JOUR AU - Gastão Bettencourt AU - Sérgio Mendes TI - On the stability of a quadratic functional equation over non-Archimedean spaces JO - Filomat PY - 2021 SP - 2693 VL - 35 IS - 8 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2108693B/ DO - 10.2298/FIL2108693B LA - en ID - 10_2298_FIL2108693B ER -