International Journal of Applied Mathematics and Computer Science
International Journal of Applied Mathematics and Computer Science > 2008 > 18 > 4 > 593-603
International Journal of Applied Mathematics and Computer Science > 2008 > 18 > 4 > 525-537
International Journal of Applied Mathematics and Computer Science > 2008 > 18 > 4 > 443-454
International Journal of Applied Mathematics and Computer Science > 2008 > 18 > 4 > 497-512