CONG, Cuong Bui; NGAN, Roan Thi; LONG, Le Ba. Some New De Morgan Picture Operator Triples in Picture Fuzzy Logic. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 33, n. 2, p. 143–164, 2018. DOI: 10.15625/1813-9663/33/2/10706. Disponível em: https://jcc.vast.vn/jcc/article/view/10706. Acesso em: 4 nov. 2025.