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International Journal of Applied Mathematics and Computer Science > 2013 > 23 > 3 > 557-569
International Journal of Applied Mathematics and Computer Science > 2013 > 23 > 3 > 557-569
International Journal of Applied Mathematics and Computer Science > 2013 > 23 > 3 > 557-569
International Journal of Applied Mathematics and Computer Science > 2013 > 23 > 3 > 557-569