Fomin, P. I.  <br/><br/>
The activity of galactic nuclei and ring-like sturctures in normal galaxies /  
P. I. Fomin, I. G. Kolesnik, S. A. Silich ; Academy of Sciences of Ukrainian SSR, Institute for Theoretical Physics. 
 - Kiev,   1979. 
 - 10 p.  
 - Preprint ;   ITP - 79 - 64E  .
<br/><br/>Bibliography: p.8-9. 
<br/><br/><label>Subjects--Index Terms: </label>ფიზიკა 
<br/><br/><label>Universal Decimal Class. No.: </label>53