Tulekov, Ye., Morzabaev А.К., and V.S. Makhmutov. “The Forbush-Decreases in Cosmic Ray Fluxes and Solar-Proton Events in July and September 2017”. Recent Contributions to Physics 2021, no. 2 (June 23, 2021): 10–17. Accessed February 3, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/1366.