TY CONF TI On the instabilities of small-scale oscillation modes on the background of a collapsing model of a Protogalaxy KW Galaxy: disk KW evolution KW kinematics and dynamics KW structure; open clusters: general JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Ganiev, J.. AU Mirtadjieva, K.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences