[1]
Hefter, S.L. and Goncharuk, A.B. 2022. Linear differential equation with inhomogeneity in the form of a formal power series over a ring with non-Archimedean valuation. Ukrains’kyi Matematychnyi Zhurnal. 74, 11 (Dec. 2022), 1463 - 1477. DOI:https://doi.org/10.37863/umzh.v74i11.7287.