TY - JOUR AU - Robillard, Pierre TI - Lower Bounds for the Ramsey Numbers JO - Canadian mathematical bulletin PY - 1970 SP - 227 EP - 229 VL - 13 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-046-0/ DO - 10.4153/CMB-1970-046-0 ID - 10_4153_CMB_1970_046_0 ER -