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Line 35: ==References== {{citation\|title=Results and Problems in Combinatorial Geometry\|first1=V.\|last1=Boltjansky\|first2=I.Israel\|last2=Gohberg\|authorlink2=Israel Gohberg\|publisher=[[Cambridge University Press]]\|year=1985\|contribution=11. Hadwiger's Conjecture\|pages=44–46}}. {{citation\|first1=Peter\|last1=Brass\|first2=William\|last2=Moser\| first3=János\|last3=Pach\|contribution=3.3 Levi–Hadwiger Covering Problem and Illumination\|pages=136–142\|title=Research Problems in Discrete Geometry\|publisher=Springer-Verlag\|year=2005}}. {{citation\|first1=I.Israel Ts.\|last1=Gohberg\|authorlink1=Israel Gohberg\|first2=A.Alexander S.\|last2=Markus\|~~format~~language=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=Hugo\|last=Hadwiger\|authorlink=Hugo Hadwiger\|year=1957\|title=Ungelöste Probleme Nr. 20\|journal=Elemente der Mathematik\|volume=12\|pages=121}}. *{{citation\|first=Marek\|last=Lassak\|year=1988\|title=Covering the boundary of a convex set by tiles\|journal=[[Proceedings of the American Mathematical Society]]\|volume=104\|issue=1\|pages=269-272\|mr=0958081\|doi=10.2307/2047500}}.

Hadwiger conjecture (combinatorial geometry): Difference between revisions