@article{10_37236_5254, author = {Geoffrey Exoo and Milos Tatarevic}, title = {New lower bounds for 28 classical {Ramsey} numbers}, journal = {The electronic journal of combinatorics}, year = {2015}, volume = {22}, number = {3}, doi = {10.37236/5254}, zbl = {1327.05227}, url = {http://geodesic.mathdoc.fr/articles/10.37236/5254/} }