%0 Journal Article %A Berrizbeitia, P. %A Elliott, P. D. T. A. %T Product Bases for the Rationals %J Canadian mathematical bulletin %D 1999 %P 441-444 %V 42 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-051-9/ %R 10.4153/CMB-1999-051-9 %F 10_4153_CMB_1999_051_9