Dougherty ST, Gildea J, Korban A. $G$-codes over formal power series rings and finite chain rings. J. Algebra Comb. Discrete Struct. Appl. [Internet]. 2020 Jan. 15 [cited 2026 Sep. 12];7(1):55-71. Available from: https://www.jacodesmath.com/index.php/jacodesmath/article/view/112