NIKOGHOSYAN, Z. G. . Long Cycles in t-Tough Graphs with t > 1. Mathematical Problems of Computer Science, [S. l.], v. 51, p. 39–56, 2021. DOI: 10.51408/1963-0032. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/48. Acesso em: 2 may. 2024.