Reihe De Gruyter TextbookEric Jespers ×Bücher × Eric Jespers; Ángel del Río: Group Ring Groups / Orders and Generic Constructions of Units Eric JespersDe GruyterSoftcover2015 Eric Jespers; Ángel del Río: Group Ring Groups / Structure Theorems of Unit Groups Eric JespersDe GruyterSoftcover2015