RAKISHEVA, D.S.; MODIN, I.N.; MUKANOVA, B.G. Mapes of secondary sources in the problem of ERT probing 2D medium: numerical method and analytical solutions. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 98, n. 2, p. 204–213, 2020. DOI: 10.31489/2020m2/204-213. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/360. Acesso em: 23 jul. 2025.