1. In memory of Alexey Borisovich Shabat

   Announcement 30 May 2020 Pages: 583 - 583

2. Algebra of gauge theories

   • V. V. Zharinov

   OriginalPaper 30 May 2020 Pages: 584 - 595

3. Integration of the nonlinear Korteweg–de Vries equation with an additional term

   • A. B. Khasanov
   • M. M. Matyakubov

   OriginalPaper 30 May 2020 Pages: 596 - 607

4. Multisoliton solutions of the Degasperis–Procesi equation and its shortwave limit: Darboux transformation approach

   • Nianhua Li
   • Gaihua Wang
   • Yonghui Kuang

   OriginalPaper 30 May 2020 Pages: 608 - 620

5. Quantization of the theory of half-differentiable strings

   • A. G. Sergeev

   OriginalPaper 30 May 2020 Pages: 621 - 630

6. Coupling of a biquaternionic Dirac field to a bosonic field

   • A. I. Arbab

   OriginalPaper 30 May 2020 Pages: 631 - 647

7. Threshold effects in a two-fermion system on an optical lattice

   • S. N. Lakaev
   • S. H. Abdukhakimov

   OriginalPaper 30 May 2020 Pages: 648 - 663

8. Asymptotic solution of a Coulomb multichannel scattering problem with a nonadiabatic channel coupling

   • S. L. Yakovlev

   OriginalPaper 30 May 2020 Pages: 664 - 672

9. Two-dimensional low-energy scattering of a quantum particle in the summed field of Coulomb and power-law potentials

   • V. V. Pupyshev

   OriginalPaper 30 May 2020 Pages: 673 - 690

10. Impact of surface defects on a condensate of electron pairs in a quantum wire

    • J. Kerner

    OriginalPaper 30 May 2020 Pages: 691 - 699

11. Fields of a relativistic beam of charged particles between parallel planes: Exact two-dimensional solutions obtained by the method of images

    • B. B. Levchenko

    OriginalPaper 30 May 2020 Pages: 700 - 708