Intersections and unions of fuzzy sets of operands. - Serhii Mashchenko (Fuzzy Sets Syst., 2018)

Sums of fuzzy sets of summands. - S. O. Mashchenko (Fuzzy Sets Syst., 2021)

On a Solution Set to a Mathematical Programming Problem With a Fuzzy Set of Constraint Indices. - Serhii Mashchenko (Int. J. Fuzzy Syst. Appl., 2022)

On Linear Regression for Fuzzy Data of Different Quality. - Serhii Mashchenko; Oleksandr Marchenko (CMIS, 2023)

On Kemeny Optimization Scheme for Fuzzy Set of Relations. - Serhii Mashchenko; Olena A. Kapustian; Bruno Rubino (Axioms, 2023)

On a value of a matrix game with fuzzy sets of player strategies. - S. O. Mashchenko (Fuzzy Sets Syst., 2024)

On Maximum Guaranteed Payoff in a Fuzzy Matrix Decision-Making Problem with a Fuzzy Set of States. - Svajone Bekesiene; Serhii Mashchenko (Symmetry, 2024)