عنوان
پدید آورنده
موضوع
رده
QA 612.19 .A66
QA
612
.
19
.
A66
کتابخانه
محل استقرار
Every planar map is four colorable
Providence, R.I
American Mathematical Society
c1989
xv, 741p.: ill., tables
Contemporary mathematics; V.89
Includes bibliographies
ISBN: 0821851039
Kenneth Appel and Wolfgang Haken
1
، Four-color problem
QA
612
.
19
.
A66
Appel, Kenneth I., 2391-
AU
AU Haken, Wolfgang
CO American Mathematical Society
TI
TI Every planar map is 4 colorable
SE Contemporary mathematics )American Mathematical Society( V.98
