SOKOLOVA, O.; MUKASHEVA, S. THE METHODS FOR CALCULATION OF DECLINATION (D) FOR SPACED OF MAGNETIC OBSERVATORIES. Известия НАН РК. Серия физико-математическая, [S. l.], n. 3, p. 142–150, 2020. Disponível em: http://189185.vm7pq.group/physics-mathematics/article/view/478. Acesso em: 22 фев. 2025.