On L-valued Equalites on the L-powersets of Many-valued Sets. - Ingrida Uljane; Alexander P. Sostak (EUSFLAT Conf. (2), 2007)

On Some Fuzzy Categories of Many-Valued Topological Spaces. - Ingrida Uljane (IFSA/EUSFLAT Conf., 2009)

Bornological structures in the context of L-fuzzy sets. - Alexander P. Sostak; Ingrida Uljane (EUSFLAT Conf., 2013)

On a Category of Extensional Fuzzy Rough Approximation L-valued Spaces. - Aleksandrs Elkins; Alexander P. Sostak; Ingrida Uljane (IPMU (2), 2016)

L-valued bornologies on powersets. - Alexander P. Sostak; Ingrida Uljane (Fuzzy Sets Syst., 2016)

M-bornologies on L-valued Sets. - Ingrida Uljane; Alexander P. Sostak (EUSFLAT/IWIFSGN (3), 2017)

Some remarks on topological structures in the context of fuzzy relational mathematical morphology. - Alexander P. Sostak; Ingrida Uljane (EUSFLAT Conf., 2019)

Many-level fuzzy rough approximation spaces induced by many-level fuzzy preorders and the related ditopological structures. - Alexander P. Sostak; Ingrida Uljane; Aleksandrs Elkins (EUSFLAT Conf., 2019)

Fuzzy Relational Mathematical Morphology: Erosion and Dilation. - Alexander P. Sostak; Ingrida Uljane; Patrik Eklund (IPMU (3), 2020)

Aggregation of Operators of Fuzzy Relational Mathematical Morphology: Erosion and Dilation. - Alexander P. Sostak; Ingrida Uljane (IFSA/EUSFLAT/AGOP, 2021)

Graded Fuzzy Preconcept Lattices: Theoretical Basis. - Alexander P. Sostak; Ingrida Uljane; Maris Krastins (IFSA/EUSFLAT/AGOP, 2021)

Application of Graded Fuzzy Preconcept Lattices in Risk Analysis. - Maris Krastins; Ingrida Uljane; Alexander Shostak (IJCCI, 2021)

Gradation of Fuzzy Preconcept Lattices. - Alexander P. Sostak; Ingrida Uljane; Maris Krastins (Axioms, 2021)

Graded concept lattices in fuzzy rough set theory. - Alexander P. Sostak; Maris Krastins; Ingrida Uljane (CLA, 2022)

Conceptuality Degree of Oriented Crisply Generated Fuzzy Preconcepts. - Alexander P. Sostak; Maris Krastins; Ingrida Uljane (EUSFLAT/AGOP, 2023)

Powerset operators induced by fuzzy relations as a basis for fuzzification of various mathematical structures. - Alexander P. Sostak; Ingrida Uljane (Int. J. Approx. Reason., 2023)

Extending L-Topologies to Bipolar L-Fuzzy Topologies. - Alexandr Sostak; Ingrida Uljane (Axioms, 2024)