Chaikovs’kyi, A. and Lagoda, O. 2022. Bounded solutions of a second order difference equation with jumps of operator coefficient. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics. 2 (Oct. 2022), 57–61. DOI:https://doi.org/10.17721/1812-5409.2022/2.7.