Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Walczak Szymon M.,Hausdorff leaf spaces for foliations of codimension one,Journal of the Mathematical Society of Japan,00255645,The Mathematical Society of Japan,2011,63,2,473-502,https://cir.nii.ac.jp/crid/1390001205116213760,https://doi.org/10.2969/jmsj/06320473