%0 Journal Article %A V. N. Salii %T Minimal primitive extensions of oriented graphs %J Prikladnaâ diskretnaâ matematika %D 2008 %P 116-119 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2008_1_a18/ %G ru %F PDM_2008_1_a18