著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "水谷, 一雄","A system of functional equations for the behavior of the price of stock in a stock exchange ; fundamantal laws of ""elasticity"" as an operator",,The Science Council of Japan,1956,Economic series,,,,https://cir.nii.ac.jp/crid/1130282269005461120