Bull. Korean Math. Soc. 2018; 55(5): 1483-1490
Online first article September 11, 2018 Printed September 30, 2018
https://doi.org/10.4134/BKMS.b170837
Copyright © The Korean Mathematical Society.
Zhenghua Xu
HeFei University of Technology
2016; 53(5): 1291-1308
2023; 60(2): 307-313
2020; 57(2): 521-533
2016; 53(5): 1401-1409
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