%0 Journal Article %A D.M. Jackson %A R.C. Read %T A note on permutations without runs of given length. %J Aequationes mathematicae %D 1978 %P 336-343 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__17_136752/ %F AM2_1978__17_136752