TY  - JOUR
AU  - S. Y. Markosyan
AU  - A. H. Khachaturyan
TI  - Optimal level placement of the transitive oriented and bipartite oriented graphs by height
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 2009
SP  - 43
EP  - 46
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_2009_2_a7/
LA  - en
ID  - UZERU_2009_2_a7
ER  -