Yan, Zhenhai
Yan, Guojun
Miyamoto, Ikudol
Article History
Received: 11 May 2015
Accepted: 14 October 2015
First Online: 31 October 2015
Change Date: 27 February 2020
Change Type: Correction
Change Details: The Editors-in-Chief have retracted this article [1] because it showed evidence of peer review manipulation. In addition, the identity of the corresponding author could not be verified: Nagoya University have confirmed that Ikudol Miyamato has not been affiliated with their Graduate School of Mathematics.