Article Title: Quasi-Isomorphism and Some Quasi-Isomorphic Invariants of QTAG-Modules
Author: A. Mehdi, M. Y. Abbasi, and A. Sirohi
Journal: Communications in Algebra
Bibliometrics: Posted online: 18 February 2010
DOI: http://dx.doi.org/10.1080/00927870902829072
Publisher: Taylor and Francis
We, the Editors and Publishers of Communications in Algebra, have retracted the following article:
A. Mehdi, M. Y. Abbasi, and A. Sirohi, “Quasi-Isomorphism and Some Quasi-Isomorphic Invariants of QTAG-Modules,” Communications in Algebra 38.2 (2010): 752–758. http://dx.doi.org/10.1080/00927870902829072.
We are now cognisant of a substantially similar version of this article which was previously submitted to, and published in, the Pacific Journal of Mathematics.
We have been informed in our decision-making by the guidance of COPE guidelines on retractions.
The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as “Retracted”.