DARBINYAN, S.; KARAPETYAN, I. On Long Cycles in Digraphs with the Meyniel-type Conditions. Mathematical Problems of Computer Science, [S. l.], v. 38, p. 46–48, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/483. Acesso em: 4 may. 2024.