ARAKELYAN, H. Z. .; KAMALIAN, R. R. . On Interval-Separable Subsets of Vertices of a Complete Graph. Mathematical Problems of Computer Science, [S. l.], v. 31, p. 108–115, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/397. Acesso em: 5 may. 2024.