AITENOVA, M.S.; ISKAKOVA, G.Sh.; Fazylov К.К. About upper bound of the distribution function. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 87, n. 3, p. 8–12, 2017. DOI: 10.31489/2017m3/8-12. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/155. Acesso em: 10 jul. 2025.