Applied Mathematics and Computation
Applied Mathematics and Computation > 2012 > 219 > 4 > 1383-1390
Applied Mathematics and Computation > 2012 > 219 > 6 > 2975-2988
Applied Mathematics and Computation > 2012 > 219 > 4 > 1383-1390
Applied Mathematics and Computation > 2012 > 219 > 6 > 2975-2988