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	1.	Image from Google Jackets Image from OpenLibrary	Four-colour problem Ore Oystein by Ore Oystein Series: Pure and applied mathematics; 27 Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: New York Academic Press 1977 Availability: Items available for loan: Central Science Library (1)Collection, call number: B44 K7. Place hold Save to lists Add to cart (remove)
	2.	Image from Google Jackets Image from OpenLibrary	Number theory and its history Ore Oystein by Ore Oystein Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: New York McGraw Hill 1948 Availability: Items available for loan: Central Science Library (1)Collection, call number: B13 H8;1. Place hold Save to lists Add to cart (remove)
	3.	Image from Google Jackets Image from OpenLibrary	Number theory and its history Ore Oystein by Ore Oystein Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: 1948 Availability: Items available for loan: Central Science Library (1)Collection, call number: B13 H8. Place hold Save to lists Add to cart (remove)
	4.	Image from Google Jackets Image from OpenLibrary	Theory of graphs Ore Oystein by Ore Oystein Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: 1962 Availability: Items available for loan: Central Science Library (1)Collection, call number: B44 K21. Place hold Save to lists Add to cart (remove)
	5.	Image from Google Jackets Image from OpenLibrary	Graphs and their uses Ore Oystein by Ore Oystein Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Availability: Items available for loan: South Campus Library (1)Collection, call number: B25 K3. Place hold Save to lists Add to cart (remove)
	6.	Image from Google Jackets Image from OpenLibrary	Invitation to number theory Ore Oystein by Ore Oystein Material type: Text; Format: print regular print ; Literary form: Not fiction Language: English Publication details: 1967 Availability: Items available for loan: South Campus Library (1)Collection, call number: B13 K7. Place hold Save to lists Add to cart (remove)