@article{paperid:200094,
author = {Sal Moslehian, Mohammad and Niknam, Asadollah},
title = {on contractibility of matrix algebras},
journal = {Quaestiones Mathematicae},
year = {2002},
volume = {25},
number = {3},
month = {September},
issn = {1607-3606},
pages = {327--332},
			numpages = {5},
keywords = {contractible banach algebra incidence algebra},
}