Investigation of the Disk of the Be Star in the High-Mass X-ray Binary IGR J21343+4738. - Nikolaeva, E. A.; Bikmaev, I. F.; Irtuganov, E. N.; Gorbachev, M. A.; Suslikov, M. V.; Gumerov, R. I.; Sakhibullin, N. A. (Astronomy Letters, 2023)