ADAK, A. K.; KUMAR, G. K. Pythagorean Fuzzy \((l,u)\)-Level Cuts and Their Applications to Fuzzy Normed Subrings. Communications in Mathematics and Applications, [S. l.], v. 16, n. 3, p. 703–716, 2025. DOI: 10.26713/cma.v16i3.3371. Disponível em: https://rgnpublications.com/journals/index.php/cma/article/view/3371. Acesso em: 25 feb. 2026.