BALIKYAN, S. V. .; KAMALIAN, R. R. . On Existence of 2-partition of a Tree, Which Obeys the Given Priority. Mathematical Problems of Computer Science, [S. l.], v. 30, p. 31–35, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/412. Acesso em: 4 may. 2024.