@article{paperid:1078445,
author = {Torabi Ardakani, Hamid and Abdullahi Rashid, Mehdi},
title = {On category of co-coverings},
journal = {Caspian Journal of Mathematical Sciences},
year = {2019},
volume = {8},
number = {2},
month = {August},
issn = {2676-7260},
pages = {84--90},
			numpages = {6},
keywords = {Covering map; Covering space; Co-covering},
}