TY - JOUR AU - D. L. Belotserkovskii TI - Characterization of some extremal graphs with a diameter at most three JO - Diskretnaya Matematika PY - 1997 SP - 134 EP - 146 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1997_9_1_a10/ LA - ru ID - DM_1997_9_1_a10 ER -