YADAV, RN; CHAKRABARTI, SK; JHA, IS; YADAV, UP. Finite partially ordered set and some of its properties. BIBECHANA, [S. l.], v. 13, p. 132–136, 2015. DOI: 10.3126/bibechana.v13i0.13985. Disponível em: https://www.nepjol.info/index.php/BIBECHANA/article/view/13985. Acesso em: 5 dec. 2025.