%0 Journal Article %A V. M. Fomichev %T The improvement of exponent's estimates for primitive graphs %J Prikladnaâ diskretnaâ matematika %D 2011 %P 98-100 %N 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2011_13_a50/ %G ru %F PDM_2011_13_a50