%0 Journal Article %A Orr Shalit %A Baruch Solel %T Subproduct systems %J Documenta mathematica %D 2009 %P 801-868 %V 14 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/290/ %R 10.4171/dm/290 %F 10_4171_dm_290