Applied Mathematics and Computation
Applied Mathematics and Computation > 2012 > 219 > 1 > 421-434
Applied Mathematics and Computation > 2012 > 219 > 6 > 2932-2948
Applied Mathematics and Computation > 2012 > 219 > 1 > 421-434
Applied Mathematics and Computation > 2012 > 219 > 6 > 2932-2948