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Open Mathematics > 2007 > 5 > 3 > 551-580
Central European Journal of Mathematics > 2007 > 5 > 3 > 551-580
Computational Methods and Function Theory > 2004 > 4 > 2 > 275-282
Open Mathematics > 2007 > 5 > 3 > 551-580
Central European Journal of Mathematics > 2007 > 5 > 3 > 551-580
Computational Methods and Function Theory > 2004 > 4 > 2 > 275-282