MARKOSYAN, S. E.; KHACHATURYAN, A. H. OPTIMAL LEVEL PLACEMENT OF THE TRANSITIVE ORIENTED AND BIPARTITE ORIENTED GRAPHS BY HEIGHT. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 43, n. 2 (219), p. 43–49, 2009. DOI: 10.46991/PYSU:A/2009.43.2.043. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol43_no2_2009_pp043-049. Acesso em: 22 jul. 2024.