%0 Journal Article %A A. V. Gavrikov %T Algorithm for constructing T-irreducible extension of polygonal digraphs %J Prikladnaya Diskretnaya Matematika. Supplement %D 2014 %P 124-126 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2014_7_a52/ %G ru %F PDMA_2014_7_a52