Applied Mathematics Letters
Applied Mathematics Letters > 2013 > 26 > 3 > 337-343
Applied Mathematics Letters > 2013 > 26 > 3 > 318-323
Applied Mathematics Letters > 2013 > 26 > 3 > 315-317
Applied Mathematics Letters > 2013 > 26 > 3 > 376-381
Applied Mathematics Letters > 2013 > 26 > 3 > 344-350
Applied Mathematics Letters > 2013 > 26 > 3 > 351-354
Applied Mathematics Letters > 2013 > 26 > 3 > 355-361
Applied Mathematics Letters > 2013 > 26 > 3 > 324-329
Applied Mathematics Letters > 2013 > 26 > 3 > 373-375
Applied Mathematics Letters > 2013 > 26 > 3 > 330-336
Applied Mathematics Letters > 2013 > 26 > 3 > 362-366
Applied Mathematics Letters > 2013 > 26 > 3 > 367-372