%0 Journal Article %A I. Filipowicz %T Product $ℤ^d$-actions on a Lebesgue space and their applications %J Studia Mathematica %D 1997 %P 289-298 %V 122 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-122-3-289-298/ %R 10.4064/sm-122-3-289-298 %G fr %F 10_4064_sm_122_3_289_298