1. Factorization of Darboux—Laplace Transformations for Discrete Hyperbolic Operators

   • S. V. Smirnov

   OriginalPaper 04 June 2019 Pages: 621 - 636

2. Expressions in Fredholm Determinants for Solutions of the Strict KP Hierarchy

   • G. F. Helminck
   • E. A. Panasenko

   OriginalPaper 04 June 2019 Pages: 637 - 651

3. Quasi-Stäckel Hamiltonians and Electron Dynamics in an External Field in the Two-Dimensional Case

   • V. G. Marikhin

   OriginalPaper 04 June 2019 Pages: 652 - 658

4. Superintegrable Systems with Algebraic and Rational Integrals of Motion

   • A. V. Tsiganov

   OriginalPaper 04 June 2019 Pages: 659 - 674

5. Algebro-Geometric Integration of the Modified Belov—Chaltikian Lattice Hierarchy

   • Xianguo Geng
   • Jiao Wei
   • Xin Zeng

   OriginalPaper 04 June 2019 Pages: 675 - 694

6. Bosonic Symmetries of the Extended Fermionic (2N, 2M)-Toda Hierarchy

   • Chuanzhong Li

   OriginalPaper 04 June 2019 Pages: 695 - 708

7. Dressing Method for the Multicomponent Short-Pulse Equation

   • H. Wajahat A. Riaz
   • M. Hassan

   OriginalPaper 04 June 2019 Pages: 709 - 718

8. Quantum Problem of Polaron Localization and Justification of the Su—Schrieffer—Heeger Approximation

   • V. N. Likhachev
   • G. A. Vinogradov

   OriginalPaper 04 June 2019 Pages: 719 - 725

9. Translation Invariance of the Periodic Gibbs Measures for the Potts Model on the Cayley Tree

   • R. M. Khakimov
   • M. T. Makhammadaliev

   OriginalPaper 04 June 2019 Pages: 726 - 735

10. Nonchiral Bosonization of Strongly Inhomogeneous Luttinger Liquids

    • J. P. Das
    • C. Chowdhury
    • G. S. Setlur

    OriginalPaper 04 June 2019 Pages: 736 - 760

11. Behavior of the Solution of the Klein—Gordon Equation with a Localized Initial Condition

    • A. A. Tolchennikov

    OriginalPaper 04 June 2019 Pages: 761 - 770