TY - JOUR AU - V. M. Fomichev TI - The improvement of exponent's estimates for primitive graphs JO - Prikladnaâ diskretnaâ matematika PY - 2011 SP - 98 EP - 100 IS - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2011_13_a50/ LA - ru ID - PDM_2011_13_a50 ER -