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| | HJM, Vol. 30, No. 1, 2004 |
 | | Taskinen, Jari, University of Joensuu, FIN 80101 Joensuu, Finland (jari.taskinen@joensuu.fi). |
 | | Pecaric, Faculty of Textile Technology, University of Zagreb, Pierottieva 6, 10000 Zagreb, Croatia (pecaric@hazu.hr), J. |
 | | Yiqiang Liu and Yifeng Xue (xyf63071@public9.sta.net.cn), Department of Mathematics, East China University of Science and Technology, Shanghai 200237, P.R. China and Fahui Zhai, Qingdao Chemical Technology College, Qingdao 266042, P.R. China. |
| www.math.uh.edu /~hjm/Vol30-1.html (1770 words) |
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