Explicit Formulas for Generalized Action–Angle Variables in a Neighborhood of an Isotropic Torus and Their Application V. V. BelovS. Yu. DobrokhotovV. A. Maksimov OriginalPaper Pages: 765 - 791
Constructing Solutions for the Generalized Hénon–Heiles System Through the Painlevé Test S. Yu. Vernov OriginalPaper Pages: 792 - 801
Commutation Relations in an Indefinite-Metric Space Yu. S. VernovM. N. Mnatsakanova OriginalPaper Pages: 802 - 807
Coulomb Problem in a One-Dimensional Space with Constant Positive Curvature L. G. MardoyanG. S. PogosyanA. N. Sissakian OriginalPaper Pages: 808 - 813
Integrability in String/Field Theories and Hamiltonian Flows in the Space of Physical Systems A. D. Mironov OriginalPaper Pages: 814 - 827
Integral Representations for Correlation Functions of the XXZ Heisenberg Chain N. A. Slavnov OriginalPaper Pages: 828 - 835
Modularity and Total Ellipticity of Some Multiple Series of Hypergeometric Type V. P. Spiridonov OriginalPaper Pages: 836 - 848
Essential and Discrete Spectra of the Three-Particle Schrödinger Operator on a Lattice S. N. LakaevM. É. Muminov OriginalPaper Pages: 849 - 871
Multipole Pseudopotential Method for Some Problems in Quantum Scattering Yu. V. Zasorin OriginalPaper Pages: 872 - 880
Periodic Gibbs Measures for the Ising Model with Competing Interactions Kh. A. NazarovU. A. Rozikov OriginalPaper Pages: 881 - 888
A Weakly Nonideal Bose Gas Model Leading to the Fountain Effect V. P. Maslov OriginalPaper Pages: 889 - 892