Marina Ishchenko; Margarita Sobolenko; Kalambay Mukhagali; Shukirgaliyev Bekdaulet; Peter Berczik. MILKY WAY GLOBULAR CLUSTERS: CLOSE ENCOUNTER RATES WITH EACH OTHER AND WITH THE CENTRAL SUPERMASSIVE BLACK HOLE. «Доклады НАН РК» 2021, 94-105.