RAMAZANOVA, V. S.; AZANOV, N. P. The probems of integration and access to heterogeneous distributed databasec. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 71, n. 4, p. 72–81, 2011. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/223. Acesso em: 22 dec. 2024.