1. Algebras of unbounded operators and vacuum superselection rules in quantum field theory

   • A. V. Voronin
   • V. N. Sushko
   • S. S. Khoruzhii

   OriginalPaper Pages: 849 - 862

2. Trace formula in general Hamiltonian mechanics

   • V. S. Buslaev
   • E. A. Nalimova

   OriginalPaper Pages: 863 - 871

3. Quantum Gel'fand-Levitan-Marchenko equations for the sine-Gordon model

   • F. A. Smirnov

   OriginalPaper Pages: 871 - 880

4. Fock functional method and gauge invariance

   • Yu. V. Novozhilov

   OriginalPaper Pages: 881 - 890

5. Method of approximate calculation of Feynman diagrams. III

   • O. I. Zav'yalov

   OriginalPaper Pages: 891 - 896

6. Asymptotic expansions and qualitative analysis of finite-dimensional models in nonlinear field theory

   • V. M. Eleonskii
   • N. E. Kulagin
   • V. P. Silin

   OriginalPaper Pages: 896 - 902

7. New functional representation in superspace for the Hubbard model

   • V. M. Zharkov

   OriginalPaper Pages: 902 - 907

8. Eigenfunctions of quadratic Hamiltonians in the Wigner representation

   • É. A. Akhundova
   • V. V. Dodonov
   • V. I. Man'ko

   OriginalPaper Pages: 907 - 913

9. Inversion transformation in the Schrödinger equation

   • Yu. N. Demkov
   • N. V. Semenova

   OriginalPaper Pages: 914 - 920

10. The concept of quasiaverages and spaces of states

    • N. N. Bogolyubov Jr
    • A. S. Shumovskii
    • V. I. Yukalov

    OriginalPaper Pages: 921 - 931

11. Asymptotic solutions of the Landau-Lifshitz equation and quasisteady motion of bubbles in magnetic films

    • V. P. Maslov
    • V. M. Chetverikov

    OriginalPaper Pages: 931 - 944

12. Random cluster expansions in the high-temperature region

    • I. V. Nikolaev

    OriginalPaper Pages: 945 - 950

13. Free energy of a cubic ferroelectric in the ring approximation

    • I. O. Maier

    OriginalPaper Pages: 951 - 954