Гефтер, С. Л., Гончарук, А. Б., Півень, О. Л.: Цілочисельні розв'язки векторного неявного лінійного різницевого рівняння. Доповіді НАН України 11, 11–18 (2018) DOI: 10.15407/dopovidi2018.11.011
Goncharuk, A.: Implicit linear difference equation over a non-Archimedean ring. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Appl. Math. and Mech. 93, 18–33 (2021) DOI: 10.26565/2221-5646-2021-93-03
Goncharuk, A.: Cramer's rule for implicit linear differential equations over a non-Archimedean ring, Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Appl. Math. and Mech. 95, 39–48 (2022)
Hefter, S. L., Goncharuk, A. B.: Linear Differential Equation with Inhomogeneity in the Form of a Formal Power Series Over a Ring with Non-Archimedean Valuation. Ukr Math J 74, 1463–1477 (2022) DOI: 10.1007/s11253-023-02163-0 (Scopus Q3)
Gefter, S., Goncharuk A.: The generalized backward shift operator on Z[[x]], Cramer's formula for solving infinite linear systems, and p-adic integers. In: Book of Abstracts of V International Conference ``Analisis and mathematical physics'' dedicated to Vladimir A. Marchenko’s 95th birthday, Kharkiv, Ukraine (2017) DOI: 10.13140/RG.2.2.24135.80805
Goncharuk A.: The generalized backward shift operator on Z[[x]], Cramer's formulas for solving infinite linear systems, and p-adic integers. In: Book of abstracts of The 28th International Workshop on Operator Theory and its Applications (IWOTA), Chemnitz, Germany, pp. 57-58 (2017)
Goncharuk A.: Implicit linear differential equation over the ring of polynomials. Збірник тез доповідей XV Міжнародної наукової конференції студентів та молодих вчених «Сучасні проблеми математики та її застосування в природничих науках та інформаційних технологіях», Харків, с. 5 (2020)
Goncharuk A., Gefter S.: Non-homogeneous implicit linear differential equation over the ring of formal power series. Збірник тез доповідей Міжнародної конференції молодих математиків, Київ, с. 50 (2021)
Goncharuk A.: Implicit difference equation over the ring of polynomials. In: Book of abstracts of Conference on Rings and Polynomials, Graz, Austria, p. 29 (2021)
Goncharuk, A., Gefter, S., Piven', A.: Implicit linear difference equations over commutative rings. In: Book of Abstracts of The 26th International Conference on Difference Equations and Applications (ICDEA 2021), Sarajevo, Bosnia and Herzegovina, p. 154 (2021)
Gefter, S., Goncharuk, A.: Linear differential equations in the ring of formal power series over a topologicl ring. Збірник тез Міжнародної конференції з комплексного і функціонального аналізу, присвяченої пам'яті Богдана Винницького, Дрогобич, с. 19 (2021)
Gefter, S., Goncharuk, A.: Linear differential equations in the ring of formal power series. In: Book of Abstracts of The 5-th International Conference ``Differential Equations and Control Theory'' (DECT 2021), Kharkiv, p. 19 (2021)
Gefter, S. L., Goncharuk, A. B., Piven', A. L.: Quasi-polynomial solutions of implicit linear difference equations over a local commutative ring. In: Book of Abstracts of The International online conference ``Current trends in abstract and applied analysis'', Ivano-Frankivsk, p. 32 (2022)
Gefter, S., Goncharuk, A., Piven', A.: Periodic and quasi-polynomial solutions of implicit linear difference equations over commutative rings. In: Book of Abstracts of The 27th International Conference on Difference Equations and Applications, Paris, p. 137 (2022)
Gefter, S., Goncharuk, A.: Generalized backward shift operators on the ring Z[[x]], Cramer's rule for infinite linear systems, and p-adic integers. In: Bottcher, A., Potts, D., Stollmann, P., Wenzel, D. (eds) The Diversity and Beauty of Applied Operator Theory. Birkhauser, Cham. pp. 247–259 (2018) DOI: 10.1007/978-3-319-75996-8_13
Gefter, S., Goncharuk, A., Piven', A.: Implicit Linear First Order Difference Equations Over Commutative Rings. In: Elaydi, S., Kulenovic, M.R.S., Kalabusic, S. (eds) Advances in Discrete Dynamical Systems, Difference Equations and Applications. ICDEA 2021. Springer Proceedings in Mathematics & Statistics, Springer, Cham. pp. 199–216 (2023) DOI: 10.1007/978-3-031-25225-9_10