KHACHATRYAN, N.A. INTERVAL NON-TOTAL COLORABLE GRAPHS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 49, n. 3 (238), p. 37–41, 2015. DOI: 10.46991/PYSU:A/2015.49.3.037. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol49_no3_2015_pp037-041. Acesso em: 19 may. 2024.