Idempotents in group algebras and minimal abelian codes. - Raul Antonio Ferraz; César Polcino Milies (Finite Fields Their Appl., 2007)

Minimal codes in binary abelian group algebras. - Marinês Guerreiro; Raul Antonio Ferraz; César Polcino Milies (ITW, 2011)

Minimal Binary Abelian Codes of length $p^m q^n$ - Gladys Chalom; Raul Antonio Ferraz; Marinês Guerreiro; César Polcino Milies (CoRR, 2012)

$G$ -Equivalence in Group Algebras and Minimal Abelian Codes. - Raul Antonio Ferraz; Marinês Guerreiro; César Polcino Milies (IEEE Trans. Inf. Theory, 2014)

One-weight codes in some classes of group rings. - Raul Antonio Ferraz; Ruth Nascimento Ferreira (Appl. Algebra Eng. Commun. Comput., 2021)

Left ideals of matrix rings and error-correcting codes. - Raul Antonio Ferraz; César Polcino Milies; Edite Taufer (Appl. Algebra Eng. Commun. Comput., 2021)

Twisted group algebras of Abelian groups. - André Duarte; Raul Antonio Ferraz; César Polcino Milies (Finite Fields Their Appl., 2024)