BEKOV, Dilshod, et al. “HS2209+1914 GRAVITATSION LINZALANGAN SISTEMA KOMPONENTALARINING FOTOMETRIYASI”. «O‘zMU XABARLARI», vol. 3, no. 3.2.1, Oct. 2026, pp. 536-9, http://journals.nuu.uz/index.php/actanuuz/article/view/15382.