Y. M. Zanimonskiy, A. V. Koloskov, Y. M. Yampolski, G. Nykiel, A. O. Sopin, and Y. Y. Zanimonskiy, “Relationship of variations of the total electron content of ionosphere in magnetically conjugated regions with precipitation of high-energy charged particles”, uaj, no. 2(19), pp. 70-83, Dec. 2019.