Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takashi Hatakeyama and Tsuneo Kitami and Masayoshi Eguchi,Calculation for predicting river floods with volterra functional series,Electrical Engineering in Japan,0424-7760,Wiley,1978-01,98,5,132-137,https://cir.nii.ac.jp/crid/1363386073369820672,https://doi.org/10.1002/eej.4390980517