TY - JOUR AU - A. A. Makhnev AU - D. V. Paduchikh TI - On extensions of exceptional strongly regular graphs with eigenvalue~3 JO - Trudy Instituta matematiki i mehaniki PY - 2014 SP - 169 EP - 184 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2014_20_1_a16/ LA - ru ID - TIMM_2014_20_1_a16 ER -