On boundary-value problems for generalized analytic and harmonic functions ^{1}Gutlyanskii VYa., ^{1}Nesmelova OV, ^{1}Ryazanov VI, ^{2}Yefimushkin AS. On boundary-value problems for generalized analytic and harmonic functions. 2020 ;(12):11-18.

Lie symmetries of generalized Kawahara equations ^{1}Vaneeva OO, Zhalij AY. Lie symmetries of generalized Kawahara equations. 2020 ;(12):3-10.

Characterization of the Schur class in terms of the coefficients of a series on the Laguerre basis ^{1}Savchuk VV, Savchuk MV. Characterization of the Schur class in terms of the coefficients of a series on the Laguerre basis. 2020 ;(11):9-15.

On the estimation of the Lyapunov function in solutions of a quasilinear fractional system ^{1}Martynyuk AA. On the estimation of the Lyapunov function in solutions of a quasilinear fractional system. 2020 ;(11):3-8.

Necessary condition for the existence of a simple closed geodesic on a regular tetrahedron in the spherical space ^{1}Sukhorebska DD. Necessary condition for the existence of a simple closed geodesic on a regular tetrahedron in the spherical space. 2020 ;(10):9-14.

On groups, whose non-normal subgroups are either contranormal or core-free ^{1}Kurdachenko LA, ^{1}Pypka AA, ^{2}Subbotin IYa. On groups, whose non-normal subgroups are either contranormal or core-free. 2020 ;(10):3-8.

Derivations and automorphisms of locally matrix algebras and groups Bezushchak OO. Derivations and automorphisms of locally matrix algebras and groups. 2020 ;(9):19-23.

About a practical method of determining the length of an ellipse Ustyanich EP, Ustyanich AE. About a practical method of determining the length of an ellipse. 2020 ;(9):10-18.

The generalized Hermite polynomials, their properties, and the differential equation which they satisfy ^{1}Makarov VL. The generalized Hermite polynomials, their properties, and the differential equation which they satisfy. 2020 ;(9):3-9.

Logarithmic capacity and Riemann and Hilbert problems for generalized analytic functions ^{1}Gutlyanskii VYa., ^{1}Nesmelova OV, ^{1}Ryazanov VI, ^{2}Yefimushkin AS. Logarithmic capacity and Riemann and Hilbert problems for generalized analytic functions. 2020 ;(8):11-18.