TY  - BOOK
AU  - Fomin, P. I. 
AU  - Kolesnik, I. G. 
AU  - Silich, S. A. 
ED  - Academy of Sciences of Ukrainian SSR
TI  - The activity of galactic nuclei and ring-like sturctures in normal galaxies / 
PY  - 1979///
CY  - Kiev, 
KW  - ფიზიკა
N1  - Bibliography: p.8-9
ER  -