[2] viXra:1803.0365 submitted on 2018-03-21 07:49:51, (36 unique-IP downloads)
Authors: Run-yu Zhang, Mingyang Yu, Yan Gao
Category: General Mathematics
[1] viXra:1706.0311 submitted on 2017-06-12 08:53:27, (38 unique-IP downloads)
Authors: Yan Gao
Category: General Mathematics