Ivanov Г. Г., Alferov Г. В., & Korolev В. С. (2023). Study of Almost Periodic Solutions of Differential Equations. BULLETIN OF PERM UNIVERSITY. MATHEMATICS. MECHANICS. COMPUTER SCIENCE, (4 (63), 22–35. https://doi.org/10.17072/1993-0550-2023-4-22-35