Ghorbani S, Nourany M, Borumand Saeid A. Open Filters and Congruence Relations on Self-Distributive Weak Heyting Algebras. B Sect Log [Internet]. 2024 Jun. 21 [cited 2024 Jul. 22];:23 pp. Available from: https://czasopisma.uni.lodz.pl/bulletin/article/view/22007