• Vagueness and its representations: a unifying look 

    Wygralak, Maciej (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1998)
    Accés obert
    Using the notion of a vaguely defined object, we systematize and unify different existing approaches to vagueness and its mathematical representations, including fuzzy sets and derived concepts. Moreover, a new, approximative ...