Saaty, Thomas L.
The four color problem : assaults and conquest - New York: McGraw-Hill, 1977. - 217p.
Includes index
eng
0070543828
Four color problem
514.22 / SAF
The four color problem : assaults and conquest - New York: McGraw-Hill, 1977. - 217p.
Includes index
eng
0070543828
Four color problem
514.22 / SAF