@article{paperid:1033830,
author = {M. Afkhami and Barati, Zahra and Khashyarmanesh, Kazem},
title = {Planar zero divisor graphs of partially ordered sets},
journal = {Acta Mathematica Hungarica},
year = {2012},
volume = {137},
number = {1},
month = {January},
issn = {0236-5294},
pages = {27--35},
			numpages = {8},
keywords = {partially ordered set‎;  ‎planar graph‎; ‎Zero divisor graph},
}