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Mathematical Methods in the Applied Sciences > 47 > 5 > 3547 - 3581
Mathematical Methods in the Applied Sciences > 47 > 4 > 2769 - 2786
Studies in Applied Mathematics > 149 > 1 > 43 - 75
Journal of Mathematics and Applications > 2021 > Vol. 44 > 19--34
Opuscula Mathematica > 2020 > Vol. 40, no. 4 > 405--425
Mathematische Nachrichten > 292 > 12 > 2624 - 2636
Advances in Difference Equations > 2019 > 2019 > 1 > 1-15
Boundary Value Problems > 2019 > 2019 > 1 > 1-27
Advances in Difference Equations > 2019 > 2019 > 1 > 1-15
Mediterranean Journal of Mathematics > 2019 > 16 > 2 > 1-20
Moscow University Physics Bulletin > 2018 > 73 > 6 > 565-572
Qualitative Theory of Dynamical Systems > 2019 > 18 > 2 > 687-710
Mathematical Methods in the Applied Sciences > 41 > 17 > 7612 - 7623
Advances in Difference Equations > 2018 > 2018 > 1 > 1-13
Journal of Dynamics and Differential Equations > 2019 > 31 > 4 > 2275-2292
Mathematical Methods in the Applied Sciences > 41 > 15 > 5989 - 6016
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales.... > 2019 > 113 > 2 > 1601-1623
Journal of Fixed Point Theory and Applications > 2018 > 20 > 3 > 1-13
Journal of Applied Mathematics and Computing > 2019 > 59 > 1-2 > 585-596