[2] viXra:1803.0329 submitted on 2018-03-21 09:54:30, (33 unique-IP downloads)
Authors: Baolin Li, Juanru Wang, Lihua Yang, Xuetao Li
Category: General Mathematics
[1] viXra:1701.0058 submitted on 2017-01-03 05:26:46, (49 unique-IP downloads)
Authors: Lihua Yang, Baolin Li
Category: General Mathematics