B. Andrásfai, Paul Erdös, Vera T. Sós. On the connection between chromatic number, maximal clique and minimal degree of a graph. Discrete Mathematics, 8(3):205-218, 1974. [doi]
@article{AndrasfaiES74,
title = {On the connection between chromatic number, maximal clique and minimal degree of a graph},
author = {B. Andrásfai and Paul Erdös and Vera T. Sós},
year = {1974},
doi = {10.1016/0012-365X(74)90133-2},
url = {http://dx.doi.org/10.1016/0012-365X(74)90133-2},
researchr = {https://researchr.org/publication/AndrasfaiES74},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {8},
number = {3},
pages = {205-218},
}