Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hirota Ryogo and Yahagi Hideyuki,"""Recurrence Equations"", An Integrable System.",Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,2002,71,12,2867-2872,https://cir.nii.ac.jp/crid/1390282679160534784,https://doi.org/10.1143/jpsj.71.2867