It is possible to determine exact fuzzy values based on an ordering of interval-valued or set-valued fuzzy degrees. - Gerardo Muela; Olga Kosheleva; Vladik Kreinovich; Christian Servin (FUZZ-IEEE, 2017)

Scaling-invariant description of dependence between fuzzy variables: Towards a fuzzy version of copulas. - Gerardo Muela; Vladik Kreinovich; Christian Servin (IFSA-SCIS, 2017)

Can We Detect Crisp Sets Based Only on the Subsethood Ordering of Fuzzy Sets? Fuzzy Sets and/or Crisp Sets Based on Subsethood of Interval-Valued Fuzzy Sets? - Christian Servin; Gerardo Muela; Vladik Kreinovich (NAFIPS, 2017)

Fuzzy Analogues of Sets and Functions Can Be Uniquely Determined from the Corresponding Ordered Category: A Theorem. - Christian Servin; Gerardo Muela; Vladik Kreinovich (Axioms, 2018)

Why Decimal System and Binary System Are the Most Widely Used: A Possible Explanation. - Gerardo Muela; Olga Kosheleva (Decision Making under Constraints, 2020)