%0 Journal Article %A L. Lewin %T Further results on supernumary polylogarithmic ladders. %J Aequationes mathematicae %D 1993 %P 47-61 %V 45 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1993__45_2-3_137506/ %F AM2_1993__45_2-3_137506