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://www.mpcs.sci.am/index.php/mpcs/article/view/428. Acesso em: 17 jun. 2025.