@article{bollobás_donadelli_kohayakawa_schelp_2001,  title={Ramsey minimal graphs},  volume={7},  ISSN={0104-6500},  url={https://doi.org/10.1590/S0104-65002001000200005},  DOI={10.1590/S0104-65002001000200005},  number={3},  journal={Journal of the Brazilian Computer Society},  publisher={Sociedade Brasileira de Computação},  author={Bollobás, Béla and Donadelli, Jair and Kohayakawa, Yoshiharu and Schelp, Richard H.},  year={2001},  pages={27–37} }