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Department of Mathematics Kyungnam University Masan, Kyungnam 631-701, Korea
Tel:+82-(55)-249-2211, Fax:+82-(55)-243-8609, E-mail:jongkyuk@kyungnam.ac.kr
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Department of Mathematics Kyungnam University Masan, Kyungnam 631-701, Korea Tel:+82-(55)-249-2211, Fax:+82-(55)-243-8609, E-mail:jongkyuk@kyungnam.ac.kr |
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