S. SHOMSHEKOVA; E. DENISSYUK; R. VALIULLIN; A. KUSAKIN; I. REVA; CH.OMAROV. PHOTOMETRIC RESEARCH OF SEYFERT GALAXIES MRK 766, MRK 6, MRK 1040, MRK 1513. Известия НАН РК. Серия физико-математическая, [S. l.], n. 3, p. 64–70, 2019. Disponível em: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1582. Acesso em: 7 май. 2024.