Tokibetov, Zh. A.; Sarsekeeva, A. S.; Boltirekova, R. A. Solution of the Riemann-Hilbert problem for a holomorphic vector by the Bouligand-Giraud method. (English. Ukrainian original) Zbl 1448.30005 J. Math. Sci., New York 246, No. 3, 445-451 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 567-573 (2018). MSC: 30E25 35J56 PDFBibTeX XMLCite \textit{Zh. A. Tokibetov} et al., J. Math. Sci., New York 246, No. 3, 445--451 (2020; Zbl 1448.30005); translation from Neliniĭni Kolyvannya 21, No. 4, 567--573 (2018) Full Text: DOI
Takhirov, Zh. O. Florin-type problem for the parabolic equation with power nonlinearity. (English. Russian original) Zbl 1448.35319 J. Math. Sci., New York 246, No. 3, 429-444 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 554-566 (2018). MSC: 35K65 35A01 35A02 35R35 PDFBibTeX XMLCite \textit{Zh. O. Takhirov}, J. Math. Sci., New York 246, No. 3, 429--444 (2020; Zbl 1448.35319); translation from Neliniĭni Kolyvannya 21, No. 4, 554--566 (2018) Full Text: DOI
Pelyukh, G. P.; Bel’skii, D. V. Asymptotic properties of the solutions of inhomogeneous functional-differential equation with linearly transformed argument. (English. Russian original) Zbl 1454.34105 J. Math. Sci., New York 246, No. 3, 410-428 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 537-533 (2018). Reviewer: Andrey Zahariev (Plovdiv) MSC: 34K25 PDFBibTeX XMLCite \textit{G. P. Pelyukh} and \textit{D. V. Bel'skii}, J. Math. Sci., New York 246, No. 3, 410--428 (2020; Zbl 1454.34105); translation from Neliniĭni Kolyvannya 21, No. 4, 537--533 (2018) Full Text: DOI
Panasenko, E. V.; Pokutnyi, O. O. Nonlinear boundary-value problems for the Lyapunov equation in the space \(L_p\). (English. Ukrainian original) Zbl 1505.34094 J. Math. Sci., New York 246, No. 3, 394-409 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 523-536 (2018). Reviewer: Arzu Ahmadova (Essen) MSC: 34G10 34B10 34B27 34A45 PDFBibTeX XMLCite \textit{E. V. Panasenko} and \textit{O. O. Pokutnyi}, J. Math. Sci., New York 246, No. 3, 394--409 (2020; Zbl 1505.34094); translation from Neliniĭni Kolyvannya 21, No. 4, 523--536 (2018) Full Text: DOI
Koplatadze, R.; Khachidze, N. Oscillation criteria for difference equations with several retarded arguments. (English) Zbl 1448.39012 J. Math. Sci., New York 246, No. 3, 384-393 (2020) and Neliniĭni Kolyvannya 21, No. 4, 514-522 (2018). MSC: 39A21 39A12 PDFBibTeX XMLCite \textit{R. Koplatadze} and \textit{N. Khachidze}, J. Math. Sci., New York 246, No. 3, 384--393 (2020; Zbl 1448.39012) Full Text: DOI Link
Kononov, Yu. M.; Dzhukha, Yu. O. Vibrations of two-layer ideal liquid in a rigid cylindrical vessel with elastic bases. (English. Ukrainian original) Zbl 1448.74049 J. Math. Sci., New York 246, No. 3, 365-383 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 496-513 (2018). MSC: 74H45 74F10 74H10 74K20 76T06 76B55 PDFBibTeX XMLCite \textit{Yu. M. Kononov} and \textit{Yu. O. Dzhukha}, J. Math. Sci., New York 246, No. 3, 365--383 (2020; Zbl 1448.74049); translation from Neliniĭni Kolyvannya 21, No. 4, 496--513 (2018) Full Text: DOI
Konet, I. M.; Pylypyuk, T. M. Hyperbolic boundary-value problem for a piecewise homogeneous solid cylinder. (English. Ukrainian original) Zbl 1448.35097 J. Math. Sci., New York 246, No. 3, 352-364 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 485-495 (2018). MSC: 35C15 35L20 35A22 PDFBibTeX XMLCite \textit{I. M. Konet} and \textit{T. M. Pylypyuk}, J. Math. Sci., New York 246, No. 3, 352--364 (2020; Zbl 1448.35097); translation from Neliniĭni Kolyvannya 21, No. 4, 485--495 (2018) Full Text: DOI
Kolesnichenko, V. N.; Slyn’ko, V. I. On the dynamic stability of impulsive mechanical systems with delay. (English. Ukrainian original) Zbl 1460.93083 J. Math. Sci., New York 246, No. 3, 337-351 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 473-484 (2018). Reviewer: Nataliya O. Sedova (Ulyanovsk) MSC: 93D20 93C15 93C27 93C43 34K06 34K20 34K45 34K27 70Q05 PDFBibTeX XMLCite \textit{V. N. Kolesnichenko} and \textit{V. I. Slyn'ko}, J. Math. Sci., New York 246, No. 3, 337--351 (2020; Zbl 1460.93083); translation from Neliniĭni Kolyvannya 21, No. 4, 473--484 (2018) Full Text: DOI
Zhang, Ch.; Li, T. A note on the oscillation of second-order quasilinear neutral dynamic equations on time scales. (English) Zbl 1485.34200 J. Math. Sci., New York 246, No. 3, 333-336 (2020) and Neliniĭni Kolyvannya 21, No. 4, 470-472 (2018). Reviewer: Iguer Luis Domini dos Santos (Ilha Solteira) MSC: 34K42 34N05 34K11 34K40 PDFBibTeX XMLCite \textit{Ch. Zhang} and \textit{T. Li}, J. Math. Sci., New York 246, No. 3, 333--336 (2020; Zbl 1485.34200) Full Text: DOI Link
Er’omenko, V. O.; Aliluiko, A. M. Quasiperiodic solutions of functional singularly perturbed linear ordinary higher-order differential equations. (English. Ukrainian original) Zbl 1461.34067 J. Math. Sci., New York 246, No. 3, 317-332 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 457-469 (2018). Reviewer: David Cheban (Chişinău) MSC: 34C27 34E15 PDFBibTeX XMLCite \textit{V. O. Er'omenko} and \textit{A. M. Aliluiko}, J. Math. Sci., New York 246, No. 3, 317--332 (2020; Zbl 1461.34067); translation from Neliniĭni Kolyvannya 21, No. 4, 457--469 (2018) Full Text: DOI
Vira, M. B. Asymptotics of the solutions of boundary-value problems for linear singularly perturbed systems of differential equations in the case of multiple spectrum of the boundary matrix. (English. Ukrainian original) Zbl 1454.34085 J. Math. Sci., New York 246, No. 3, 303-316 (2020); translation from Neliniĭni Kolyvannya 21, No. 4, 444-456 (2018). Reviewer: Robert Vrabel (Trnava) MSC: 34E15 34B05 34E05 34A30 PDFBibTeX XMLCite \textit{M. B. Vira}, J. Math. Sci., New York 246, No. 3, 303--316 (2020; Zbl 1454.34085); translation from Neliniĭni Kolyvannya 21, No. 4, 444--456 (2018) Full Text: DOI
Bandura, A.; Skaskiv, O. Entire bivariate functions of unbounded index in each direction. (English) Zbl 1451.32002 J. Math. Sci., New York 246, No. 3, 293-302 (2020) and Neliniĭni Kolyvannya 21, No. 4, 435-443 (2018). MSC: 32A15 PDFBibTeX XMLCite \textit{A. Bandura} and \textit{O. Skaskiv}, J. Math. Sci., New York 246, No. 3, 293--302 (2020; Zbl 1451.32002) Full Text: DOI Link