Applied Mathematics and Computation
Applied Mathematics and Computation > 2001 > 121 > 2-3 > 391-395
Applied Mathematics and Computation > 2001 > 124 > 3 > 397-402
Applied Mathematics and Computation > 2001 > 121 > 2-3 > 391-395
Applied Mathematics and Computation > 2001 > 124 > 3 > 397-402