%0 Journal Article %A V. A. Kolmykov %T Inert matrices and matchings in partially oriented trees %J Diskretnaya Matematika %D 2003 %P 119-125 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2003_15_4_a7/ %G ru %F DM_2003_15_4_a7