%0 Journal Article %A Borisov, Alexander %T On two invariants of divisorial valuations at infinity %J Journal of Algebraic Combinatorics %D 2014 %P 691-710 %V 39 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2014__39_3_a3/ %G en %F JAC_2014__39_3_a3