Artículos de Dicks, Warren
On finite groups acting on acyclic complexes of dimension two.
Pere Menal i Brufal, 1951-1991.
Exact sequences for mixed coproduct/ tensor-product ring constructions.
On a characterization of Azumaya algebras.
Erratum: W. S. Jassim, On the intersection of finitely generated subgroups of free groups, Rev. Mat. Univ. Compl. 9(1996), 67-84.
Expressing a number as the sum of two coprime squares.