Factorization of Darboux—Laplace Transformations for Discrete Hyperbolic Operators S. V. Smirnov OriginalPaper 04 June 2019 Pages: 621 - 636
Expressions in Fredholm Determinants for Solutions of the Strict KP Hierarchy G. F. HelminckE. A. Panasenko OriginalPaper 04 June 2019 Pages: 637 - 651
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
Superintegrable Systems with Algebraic and Rational Integrals of Motion A. V. Tsiganov OriginalPaper 04 June 2019 Pages: 659 - 674
Algebro-Geometric Integration of the Modified Belov—Chaltikian Lattice Hierarchy Xianguo GengJiao WeiXin Zeng OriginalPaper 04 June 2019 Pages: 675 - 694
Bosonic Symmetries of the Extended Fermionic (2N, 2M)-Toda Hierarchy Chuanzhong Li OriginalPaper 04 June 2019 Pages: 695 - 708
Dressing Method for the Multicomponent Short-Pulse Equation H. Wajahat A. RiazM. Hassan OriginalPaper 04 June 2019 Pages: 709 - 718
Quantum Problem of Polaron Localization and Justification of the Su—Schrieffer—Heeger Approximation V. N. LikhachevG. A. Vinogradov OriginalPaper 04 June 2019 Pages: 719 - 725
Translation Invariance of the Periodic Gibbs Measures for the Potts Model on the Cayley Tree R. M. KhakimovM. T. Makhammadaliev OriginalPaper 04 June 2019 Pages: 726 - 735
Nonchiral Bosonization of Strongly Inhomogeneous Luttinger Liquids J. P. DasC. ChowdhuryG. S. Setlur OriginalPaper 04 June 2019 Pages: 736 - 760
Behavior of the Solution of the Klein—Gordon Equation with a Localized Initial Condition A. A. Tolchennikov OriginalPaper 04 June 2019 Pages: 761 - 770