TY - JOUR A1 - Ruiz Marín, Manuel AU - Río Mateos, Ángel del T1 - Computing large direct products of free groups in integral group rings Y1 - 2002 SN - 0092-7872 UR - http://hdl.handle.net/10317/937 AB - We construct explicitly a subgroup of finite minimal index and minimal rank in which is a direct products of free groups for each finite group G for which this is possible KW - Economía Aplicada KW - Grupos finitos KW - Anillo de grupo integral KW - Subgrupo de indice finito KW - Álgebra LA - eng PB - Taylor & Francis ER -