J. Korean Math. Soc. 2019; 56(1): 285-287
Online first article December 12, 2018 Printed January 1, 2019
https://doi.org/10.4134/JKMS.j180717
Copyright © The Korean Mathematical Society.
Dongsoon Choi, Joonkook Shin
Daejeon Bongmyeong Middle School, Chungnam National University
2017; 54(5): 1411-1440
2022; 59(3): 635-648
2022; 59(2): 235-254
2019; 56(1): 53-65
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