%0 Journal Article %A M. B. Abrosimov %A O. V. Modenova %T About the lower bounds for the number of additional arcs in a minimal vertex 1-extension of oriented path %J Prikladnaya Diskretnaya Matematika. Supplement %D 2013 %P 71-72 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2013_6_a31/ %G ru %F PDMA_2013_6_a31