Ore, Oystein, 1899-1968.

The four-color problem. [[Book] /] Oystein Ore. - New York : Academic Press, 1967. - xv, 259 p : illus ; 24 cm. - Pure and applied mathematics, a series of monographs and textbooks ; 27 .

Bibliography: p. 249-253.

All Ages.


Four-color problem.

513.83

/ O F
www.soul.o6u.edu.eg

E-Mail: soul@o6u.edu.eg
Address: October 6 city – Central Axis – Next to El Hosary mosque.
Tell: (+202) 38376382
Fax: (+202) 38376280



Developed and implemented by ILC EG