✦ LIBER ✦
Grötzsch′s 3-Color Theorem and Its Counterparts for the Torus and the Projective Plane
✍ Scribed by C. Thomassen
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 524 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0095-8956
No coin nor oath required. For personal study only.