On the stability index for weighted composition operators. - Jesús Araujo; Juan J. Font (J. Approx. Theory, 2010)

Completeness, metrizability and compactness in spaces of fuzzy-number-valued functions. - Juan J. Font; Delia Sanchis; Manuel Sanchis (Fuzzy Sets Syst., 2018)

Constructive approximation of level continuous fuzzy functions. - Juan J. Font; Delia Sanchis; Manuel Sanchis (J. Intell. Fuzzy Syst., 2019)

Best Approximation Results for Fuzzy-Number-Valued Continuous Functions. - Juan J. Font; Sergio Macario (Axioms, 2023)