Alain Billionnet. An upper bound on the size of the largest cliques in a graph. Journal of Graph Theory, 5(2):165-169, 1981. [doi]
@article{Billionnet81,
title = {An upper bound on the size of the largest cliques in a graph},
author = {Alain Billionnet},
year = {1981},
doi = {10.1002/jgt.3190050206},
url = {http://dx.doi.org/10.1002/jgt.3190050206},
researchr = {https://researchr.org/publication/Billionnet81},
cites = {0},
citedby = {0},
journal = {Journal of Graph Theory},
volume = {5},
number = {2},
pages = {165-169},
}