[3] viXra:2105.0078 replaced on 2021-09-07 22:11:07, (405 unique-IP downloads)
Authors: I. Oskembekov
Category: Economics and Finance
[2] viXra:2103.0047 submitted on 2021-03-08 11:45:21, (242 unique-IP downloads)
Authors: I. Oskembekov
Category: Economics and Finance
[1] viXra:2003.0251 replaced on 2020-07-14 20:21:39, (356 unique-IP downloads)
Authors: I. Oskembekov
Category: Economics and Finance