%0 Journal Article %A Vasyl Ustimenko %T On the flag geometry of simple group of Lie type and multivariate cryptography %J Algebra and discrete mathematics %D 2015 %P 130-144 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2015_19_1_a12/ %G en %F ADM_2015_19_1_a12