TY - BOOK AU - Bogolubov, Nikolai Nikolaevich AU - Petrina, D. Ya. TI - On a class of model systems permitting a decresse of the Hamiltonian power in the thermodynamic limit: P. 1 T2 - Academy of Sciences of Ukrainian SSR : Preprint PY - 1977/// CY - Kiev KW - ფიზიკა KW - თეორიული ფიზიკა N1 - Bibliography: p. 36 ER -