Bogolubov,  Nikolai Nikolaevich  <br/><br/>
On a class of model systems permitting a decresse of the Hamiltonian power in the thermodynamic limit :  P. 1 / 
Nikolai Nikolaevich Bogolubov, D. Ya. Petrina. 
 - Kiev,  1977. 
 - 32 p. 
 - Academy of Sciences of Ukrainian SSR : Preprint .
<br/><br/>Bibliography: p. 36. 
<br/><br/><label>Subjects--Index Terms: </label>ფიზიკა თეორიული ფიზიკა 
<br/><br/><label>Universal Decimal Class. No.: </label>531(041)