Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) EDA Katsuya and HIBINO Ken-ichi,"On Boolean powers of the group Z and (ω, ω)-weak distributivity",Journal of the Mathematical Society of Japan,00255645,The Mathematical Society of Japan,1984,36,4,619-628,https://cir.nii.ac.jp/crid/1390001205114861568,https://doi.org/10.2969/jmsj/03640619