Applied Mathematics Letters
Applied Mathematics Letters > 1999 > 12 > 6 > 129-133
Applied Mathematics Letters > 1999 > 12 > 7 > 27-30
Applied Mathematics Letters > 2004 > 17 > 10 > 1105-1112
Applied Mathematics Letters > 2012 > 25 > 12 > 2332-2338
Applied Mathematics Letters > 2013 > 26 > 1 > 124-129
Applied Mathematics Letters > 2013 > 26 > 4 > 487-493
Applied Mathematics Letters > 2013 > 26 > 7 > 748-753
Applied Mathematics Letters > 2013 > 26 > 8 > 807-813
Applied Mathematics Letters > 2013 > 26 > 8 > 886-892
Applied Mathematics Letters > 2014 > 29 > Complete > 36-41
Applied Mathematics Letters > 2014 > 33 > Complete > 40-45
Applied Mathematics Letters > 2016 > 57 > C > 13-19