MYRZAKULOV, K.; KENZHALIN, D.; MYRZAKUL, T. On one integrable cosmological model of the flat universe in k-essence. International Journal of Mathematics and Physics, [S. l.], v. 12, n. 2, p. 87–92, 2021. DOI: 10.26577/ijmph.2021.v12.i2.010. Disponível em: https://ijmph.kaznu.kz/index.php/kaznu/article/view/406. Acesso em: 8 may. 2024.