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"And" is just the wrong conjunction here, despite stubbornness from a non-native-speaker. But let's try a different more neutral formulation. |
TheMathCat (talk | contribs) m Included links to journals wikipedia pages. |
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*{{citation|first1=I. Ts.|last1=Gohberg|first2=A. S.|last2=Markus|format=In Russian|year=1960|title=A certain problem about the covering of convex sets with homothetic ones|journal=Izvestiya Moldavskogo Filiala Akademii Nauk SSSR|volume=10|issue=76|pages=87–90}}.
*{{citation|first=H.|last=Hadwiger|year=1957|title=Ungelöste Probleme Nr. 20|journal=Elemente der Mathematik|volume=12|pages=121}}.
*{{citation|first=F. W.|last=Levi|authorlink=Friedrich Wilhelm Levi|title=Überdeckung eines Eibereiches durch Parallelverschiebungen seines offenen Kerns|journal=[[Archiv der Mathematik]]|volume=6|year=1955|pages=369–370|issue=5|doi=10.1007/BF01900507}}.
[[Category:Discrete geometry]]
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