Sargsyan, H.E., and S.Ye. Markosyan. “MINIMUM LINEAR ARRANGEMENT OF THE TRANSITIVE ORIENTED, BIPARTITE GRAPHS”. Proceedings of the YSU A: Physical and Mathematical Sciences 46, no. 2 (228) (May 10, 2012): 50–54. Accessed November 22, 2024. https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol46_no2_2012_pp050-054.