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Mathematical Methods in the Applied Sciences > 44 > 1 > 693 - 704
Mathematica Applicanda > 2020 > Vol. 48, no. 1 > 25--48
Demonstratio Mathematica > 2020 > Vol. 53, nr 1 > 167--173
Mathematische Nachrichten > 293 > 7 > 1278 - 1327
Mathematical Methods in the Applied Sciences > 43 > 10 > 6324 - 6337
Mathematical Methods in the Applied Sciences > 43 > 5 > 2202 - 2215
Chemical and Process Engineering > 2020 > Vol. 41, nr 1 > 3--11
Archives of Acoustics > 2020 > Vol. 45, No. 3 > 433--444
Advances in Difference Equations > 2019 > 2019 > 1 > 1-21
Celestial Mechanics and Dynamical Astronomy > 2019 > 131 > 11 > 1-33
Lobachevskii Journal of Mathematics > 2019 > 40 > 10 > 1653-1659
Boundary Value Problems > 2019 > 2019 > 1 > 1-20
Boundary Value Problems > 2019 > 2019 > 1 > 1-17
Boundary Value Problems > 2019 > 2019 > 1 > 1-20
Russian Mathematics > 2019 > 63 > 8 > 38-53
Journal of Engineering Mathematics > 2019 > 118 > 1 > 15-28