International Journal of Applied Mathematics and Computer Science
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 3 > 467-478
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 3 > 441-455
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 4 > 617-627
International Journal of Applied Mathematics and Computer Science > 2011 > 21 > 4 > 639-648