[2] viXra:1909.0302 submitted on 2019-09-14 22:57:06, (242 unique-IP downloads)
Authors: Hiroki Tahara
Category: Economics and Finance
[1] viXra:1908.0553 submitted on 2019-08-28 03:24:40, (634 unique-IP downloads)
Authors: Hiroki Tahara
Category: General Science and Philosophy