On existing of filtered multiplicative bases in group algebras. Balogh, Zsolt (2004) Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
On some invariants preserved by isomorphisms of tables of marks. Huerta-Aparicio, Luis, Molina-Rueda, Ariel, Raggi-Cárdenas, Alberto, Valero-Elizondo, Luis (2009) Revista Colombiana de Matemáticas