%0 Conference Article %T Regular distribution of star formation regions along the spiral arms and rings of disk galaxies %A Gusev, A.. %A Shimanovskaya, E.. %K HII regions; galaxies: star clusters: general; galaxies: ISM, spiral, star formation %J Modern astronomy: from the Early Universe to exoplanets and black holes %D 2024 %P 5 %I Special Astrophysical Observatory of the Russian Academy of Sciences