GAISIN, A.; KANGUZHIN, B.; SEITOVA, A. Completeness of the Exponential System on a Segment of the Real Axis. Eurasian Mathematical Journal, [S. l.], v. 13, n. 2, p. 37–42, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/254. Acesso em: 19 nov. 2024.