DARBINYAN, S. K. .; KARAPETYAN, I. A. . A Note on Short Paths in Oriented Graphs. Mathematical Problems of Computer Science, [S. l.], v. 33, p. 35–40, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/327. Acesso em: 5 may. 2024.