PETROSYAN, P. A. .; SHASHIKYAN, A. S. . On Interval Total Colorings of Doubly Convex Bipartite Graphs. Mathematical Problems of Computer Science, [S. l.], v. 33, p. 54–58, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/331. Acesso em: 22 dec. 2024.