Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
YOSHINOBU Yasuo,On strength of precipitousness of some ideals and towers,Journal of the Mathematical Society of Japan,00255645,The Mathematical Society of Japan,1999,51,3,535-541,https://cir.nii.ac.jp/crid/1390001205116064768,https://doi.org/10.2969/jmsj/05130535