Rough games modeled via L-fuzzy ambiguous representations of semilattices. - Oleh R. Nykyforchyn; Oksana Mykytsey (Fuzzy Sets Syst., 2020)

Ambiguous Representations of Semilattices, Imperfect Information, and Predicate Transformers. - Oleh R. Nykyforchyn; Oksana Mykytsey (Order, 2020)