@article{paperid:1080762,
author = {Tayyebe Nasri and Mashayekhy Fard, Behrooz and Torabi Ardakani, Hamid},
title = {On exact sequences of the rigid fibrations},
journal = {Italian Journal of Pure and Applied Mathematics},
year = {2020},
volume = {44},
number = {2},
month = {August},
issn = {2239-0227},
pages = {155--162},
			numpages = {7},
keywords = {fibration;  rigid covering fibration;  topological  homotopy group;  exact
sequence.},
}