%0 Journal Article %A Finbarr Holland %A David Walsh %T Criteria for membership of the Besov spaces BS pq. %J Mathematische Annalen %D 1989 %P 571-592 %V 285 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164618/ %F MAN_1989__285_1_164618