Commun. Korean Math. Soc. 2004; 19(3): 469-475
Printed September 1, 2004
Copyright © The Korean Mathematical Society.
Taehee Kim, Jungju Park, Hunghwan Lee
Kyungpook National University, Kyungpook National University, Kyungpook National University
2015; 30(3): 221-226
2015; 30(1): 7-21
2005; 20(4): 695-702
2007; 22(4): 547-552
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