DARBINYAN, S. K.; KARAPETYAN, I. A. On Cycles Through Vertices of Large Semidegree in Digraphs. Mathematical Problems of Computer Science, [S. l.], v. 39, p. 106–118, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/428. Acesso em: 6 may. 2024.