Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOBAYASHI Fujio and OZEKI Takashi,A Knot Reduction Method for Written Characters by Spline Function,The Journal of the Institute of Image Electronics Engineers of Japan,02859831,The Institute of Image Electronics Engineers of Japan,2008,37,2,127-132,https://cir.nii.ac.jp/crid/1390001204610670464,https://doi.org/10.11371/iieej.37.127