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“Skew Polynomial Rings over Weak sigma-rigid Rings and sigma(*)-rings”,
Eur. J. Pure Appl. Math.
, vol. 6, no. 1, pp. 59–65, Jan. 2013, Accessed: Jan. 25, 2025. [Online]. Available:
https://www.ejpam.com/index.php/ejpam/article/view/1594