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Applied Mathematics and Computation > 2015 > 251 > Complete > 233-242
Computational Mathematics and Mathematical Physics > 2014 > 54 > 4 > 727-743
Journal of Mathematical Analysis and Applications > 2012 > 396 > 2 > 497-503
Applied Mathematics and Computation > 2011 > 218 > 5 > 1726-1734
Applied Mathematics and Computation > 2011 > 217 > 9 > 4369-4376