DARBINYAN, S. K.; KARAPETYAN, . I. A. On a Problem of Wang Concerning the Hamiltonicity of Bipartite Digraphs. Mathematical Problems of Computer Science, [S. l.], v. 49, p. 26–34, 2021. DOI: 10.51408/1963-0003. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/79. Acesso em: 6 may. 2024.