%0 Journal Article %A Urszula RomaƄczuk-Polubiec %A Vasyl Ustimenko %T On two windows multivariate cryptosystem depending on random parameters %J Algebra and discrete mathematics %D 2015 %P 101-129 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2015_19_1_a11/ %G en %F ADM_2015_19_1_a11