Sumaruk, Yu. P., L. M. Yankiv-Vitkovska, and B. B. Dzuman. “Modeling of Regional Magnetic Field Applying Spherical Functions: Practical Aspect”. Geofizicheskiy Zhurnal 41, no. 6 (December 26, 2019): 165–172. Accessed November 23, 2024. https://journals.uran.ua/geofizicheskiy/article/view/190073.