zbMath53.0170.04MaRDI QIDQ1445043
D. König
Publication date: 1927 Published in: Acta Litterarum ac Scientiarum. Regiae Universitatis Hungaricae Francisco-Josephinae. Sectio Scientiarum Mathematicarum (Search for Journal in Brave)
Mathematics Subject Classification ID
Set theory (03Exx)
