Salazar, Nelson Aragonés. “Minimization of a Supermodular Functions over a Relatively Complemented Finite Lattice”. Selecciones Matemáticas 4, no. 02 (December 15, 2017): 175-176. Accessed May 4, 2024. https://revistas.unitru.edu.pe/index.php/SSMM/article/view/1622.