Applied Mathematics and Computation
Applied Mathematics and Computation > 2008 > 204 > 1 > 395-407
Applied Mathematics and Computation > 2008 > 204 > 2 > 884-890
Applied Mathematics and Computation > 2008 > 204 > 1 > 395-407
Applied Mathematics and Computation > 2008 > 204 > 2 > 884-890