On the nilstufe of the direct sum of two groups

  • S. Feigelstock


Free Group Positive Integer Abelian Group Group Operation General Situation 
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  1. [1]
    L. Fuchs,Abelian Groups, Akadémiai Kiadó, 1966.Google Scholar
  2. [2]
    T. Szele, Zur theorie der Zeroringe,Math. Annalen,121, (1949), pp. 242–246.CrossRefMATHMathSciNetGoogle Scholar
  3. [3]
    T. Szele, Gruppentheoretische Beziehungen bei gewissen Ringkonstruktionen,Math. Zeitschrift,54, (1951) pp. 168–180.CrossRefMATHMathSciNetGoogle Scholar

Copyright information

© Akadémiai Kiadó 1971

Authors and Affiliations

  • S. Feigelstock
    • 1
  1. 1.Bar-Ilan University and Polytechnic Institute of BrooklynRamat-Gan

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