Sartabanov, Zh. “Reducibility to Multiperiodic Linear Systems With a Diagonal Differentiation Operator and Its Application to Conditionally Periodic Systems”. Eurasian Mathematical Journal 17, no. 1 (March 31, 2026): 77–90. Accessed April 8, 2026. https://emj.enu.kz/index.php/main/article/view/950.