1. Pairs of commuting Hamiltonians quadratic in the momenta

   • V. G. Marikhin
   • V. V. Sokolov

   OriginalPaper Pages: 1425 - 1436

2. Bi-Hamiltonian systems of natural form

   • A. V. Tsyganov

   OriginalPaper Pages: 1437 - 1456

3. ABC formula and R-operation for quantum processes with unstable states

   • D. V. Prokhorenko

   OriginalPaper Pages: 1457 - 1473

4. Fedosov supermanifolds

   • P. M. Lavrov
   • O. V. Radchenko

   OriginalPaper Pages: 1474 - 1496

5. A discrete “three-particle” Schrödinger operator in the Hubbard model

   • Yu. Kh. Eshkabilov

   OriginalPaper Pages: 1497 - 1511

6. Phase diagrams of multicomponent lattice models

   • N. N. Ganikhodjaev
   • C. H. Pah

   OriginalPaper Pages: 1512 - 1518

7. The coherent potential method in the diffusion problem on a random substitution lattice

   • M. P. Fateev

   OriginalPaper Pages: 1519 - 1526

8. The method of exact diagonalization preserving the total spin and taking the point symmetry of the two-dimensional isotropic Heisenberg magnet into account

   • I. G. Bostrem
   • A. S. Ovchinnikov
   • V. E. Sinitsyn

   OriginalPaper Pages: 1527 - 1544

9. Two-dimensional four-line models of the Ising model type

   • V. V. Katrakhov
   • Yu. N. Kharchenko

   OriginalPaper Pages: 1545 - 1558

10. Renyi entropy as a statistical entropy for complex systems

    • A. G. Bashkirov

    OriginalPaper Pages: 1559 - 1573

11. Bose-Einstein-type distribution applied to flicker noise and turbulence

    • V. P. Maslov

    OriginalPaper Pages: 1574 - 1575

12. Applying the Linblad equation to quantum dissipative systems

    • V. S. Kirchanov

    Erratum Pages: 1576 - 1576