%0 Journal Article %A I. V. Los' %A M. B. Abrosimov %T About a criterion of equality to 3 for exponent of regular primitive graph %J Prikladnaya Diskretnaya Matematika. Supplement %D 2019 %P 182-185 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2019_12_a50/ %G ru %F PDMA_2019_12_a50