TY - BOOK AU - Bogolubov, Nikolai Nikolaevich AU - Khatset, B. I. AU - Petrina, D. Ya. TI - Mathematical description of equilibrium state of classical systems based on the canonical formalism T2 - Academy of Sciences of Ukrainian SSR : Preprint PY - 1969/// CY - Kiev KW - ფიზიკა KW - თეორიული ფიზიკა N1 - Bibliography: p. 36 ER -