KAMALIAN, R. R. .; MKRTCHYAN, V. V. . . An Inequality Related to the Pairs of Matchings of a Graph. Mathematical Problems of Computer Science, [S. l.], v. 25, p. 9–11, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/535. Acesso em: 17 may. 2024.