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Journal of Mathematical Analysis and Applications > 2018 > 457 > 1 > 134-152
Mathematical Methods in the Applied Sciences > 41 > 1 > 192 - 204
Indagationes Mathematicae > 2015 > 26 > 2 > 307-323
Acta Mathematica Sinica, English Series > 2015 > 31 > 2 > 331-344
Applied Mathematics and Computation > 2014 > 239 > Complete > 29-37
Nonlinear Analysis: Real World Applications > 2013 > 14 > 4 > 1854-1864