@inproceedings{paperid:1054490,
author = {Torabi Ardakani, Hamid},
title = {ON THE REGULAR COVERING OF A GRAPH},
booktitle = {هفتمین همایش ترکیبیات جبری ایران},
year = {2014},
location = {مشهد, IRAN},
keywords = {graphs; fundamental group; covering.},
}