00676nam a2200193   4500003000700000005001700007008004100024041000800065080001300073100003700086245016400123264001700287300001000304490005200314504002500366653002300391653004800414700002000462Ge_NSL20180514103911.0180514m1977    ua ||||| |||| 00| 0 eng d  aeng  a531(041)  aBogolubov,  Nikolai Nikolaevich   aOn a class of model systems permitting a decresse of the Hamiltonian power in the thermodynamic limit :bP. 1 /cNikolai Nikolaevich Bogolubov, D. Ya. Petrina.  aKiev,c1977.  a32 p.  aAcademy of Sciences of Ukrainian SSR : Preprint  aBibliography: p. 36.  aფიზიკა  aთეორიული ფიზიკა  aPetrina, D. Ya.