Applied Mathematics and Computation
Applied Mathematics and Computation > 2012 > 219 > 4 > 1420-1433
Applied Mathematics and Computation > 2012 > 219 > 4 > 1383-1390
Applied Mathematics and Computation > 2012 > 219 > 4 > 1420-1433
Applied Mathematics and Computation > 2012 > 219 > 4 > 1383-1390