%0 Journal Article %A Gudder, Stan %T Tensor products of sequential effect algebras %J Mathematica slovaca %D 2004 %P 1-11 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2004__54_1_a1/ %G en %F MASLO_2004__54_1_a1