%0 Journal Article %A Shigeki Akiyama %A Hui Rao %T New criteria for canonical number systems %J Acta Arithmetica %D 2004 %P 5-25 %V 111 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa111-1-2/ %R 10.4064/aa111-1-2 %G en %F 10_4064_aa111_1_2