A. N. BHAVALE; S. S. MUNDEKAR; P. V. KULE; K. K. SHETE. Hasse Diagrams of Basic Blocks Containing Four Comparable Reducible Elements and Having Nullity Five. International Journal of Mathematics And its Applications, [S. l.], v. 13, n. 2, p. 27–34, 2025. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1552. Acesso em: 9 jul. 2025.