AKHMET, M.; AVILTAY, N.; DAUYLBAYEV, M.; SEILOVA, R. A case of impulsive singularity. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 117, n. 1, 2023. DOI: 10.26577/JMMCS.2023.v117.i1.01. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/1246. Acesso em: 3 jul. 2024.