TY - JOUR AU - Geoffrey Exoo AU - Milos Tatarevic TI - New lower bounds for 28 classical Ramsey numbers JO - The electronic journal of combinatorics PY - 2015 VL - 22 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.37236/5254/ DO - 10.37236/5254 ID - 10_37236_5254 ER -