Applied Mathematics Letters
Applied Mathematics Letters > 2012 > 25 > 4 > 717-722
Applied Mathematics Letters > 2012 > 25 > 4 > 687-691
Applied Mathematics Letters > 2012 > 25 > 4 > 706-711
Applied Mathematics Letters > 2012 > 25 > 4 > 698-705
Applied Mathematics Letters > 2012 > 25 > 4 > 723-728
Applied Mathematics Letters > 2012 > 25 > 4 > 712-716
Applied Mathematics Letters > 2012 > 25 > 4 > 752-756
Applied Mathematics Letters > 2012 > 25 > 4 > 729-732
Applied Mathematics Letters > 2012 > 25 > 4 > 739-744
Applied Mathematics Letters > 2012 > 25 > 4 > 676-681
Applied Mathematics Letters > 2012 > 25 > 4 > 757-766
Applied Mathematics Letters > 2012 > 25 > 5 > 830-836
Applied Mathematics Letters > 2012 > 25 > 5 > 876-879
Applied Mathematics Letters > 2012 > 25 > 5 > 898-901
Applied Mathematics Letters > 2012 > 25 > 5 > 847-853
Applied Mathematics Letters > 2012 > 25 > 5 > 798-802
Applied Mathematics Letters > 2012 > 25 > 5 > 873-875