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Matrix Painlevé II equations V. E. AdlerV. V. Sokolov Research Articles 21 June 2021 Pages: 560 - 571
Complicated behavior in cubic Hénon maps S. Anastassiou Research Articles 21 June 2021 Pages: 572 - 578
Singularly perturbed partially dissipative systems of equations V. F. Butuzov Research Articles 21 June 2021 Pages: 579 - 593
Tutte polynomials of vertex-weighted graphs and group cohomology B. S. BychkovA. A. KazakovD. V. Talalaev Research Articles 21 June 2021 Pages: 594 - 603
The \(\text{m}\)KdV-type equations related to \(A_5^{(1)}\) and \(A_5^{(2)}\) Kac–Moody algebras V. S. GerdjikovD. M. MladenovS. K. Varbev Research Articles 21 June 2021 Pages: 604 - 625
Determinants in quantum matrix algebras and integrable systems D. I. GurevichP. A. Saponov Research Articles 21 June 2021 Pages: 626 - 639
Comparative dynamics of chains of coupled van der Pol equations and coupled systems of van der Pol equations S. A. Kashenko Research Articles 21 June 2021 Pages: 640 - 654
Solution with an inner transition layer of a two-dimensional boundary value reaction–diffusion–advection problem with discontinuous reaction and advection terms N. T. LevashovaN. N. NefedovO. A. Nikolaeva Research Articles 21 June 2021 Pages: 655 - 669
Group extensions, fiber bundles, and a parametric Yang–Baxter equation M. M. PreobrazhenskayaD. V. Talalaev Research Articles 21 June 2021 Pages: 670 - 677
Dynamics of a point in the axisymmetric gravitational potential of a massive fixed ring and center A. V. Sakharov Research Articles 21 June 2021 Pages: 678 - 688