Applied Mathematics and Computation
Applied Mathematics and Computation > 2013 > 219 > 9 > 4782-4788
Applied Mathematics and Computation > 2013 > 219 > 9 > 4680-4691
Applied Mathematics and Computation > 2013 > 219 > 9 > 4782-4788
Applied Mathematics and Computation > 2013 > 219 > 9 > 4680-4691