OSPANOV, K.; YESKABYLOVA, Z.; BEISENOVA, D. Maximal regularity estimates for higher order differential equations with fluctuating coefficients. Eurasian Mathematical Journal, [S. l.], v. 10, n. 2, p. 65–74, 2019. DOI: 10.32523/2077-9879-2019-10-2-65-74. Disponível em: https://emj.enu.kz/index.php/main/article/view/147. Acesso em: 30 sep. 2026.