%0 Journal Article %A Rocha, Paula %T MA representation of $l_2$ 2D systems %J Kybernetika %D 1993 %P 511-515 %V 29 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1993__29_5_a11/ %G en %F KYB_1993__29_5_a11