1. Derivations and Identities for Chebyshev Polynomials

   • L. P. Bedratyuk
   • N. B. Lunio

   OriginalPaper 02 February 2022 Pages: 1175 - 1188

2. Differential Invariants, Hidden and Conditional Symmetry

   • I. A. Yehorchenko

   OriginalPaper 03 February 2022 Pages: 1189 - 1199

3. Distributions of Zeros and Poles of N-Point Padé Approximants to Complex-Symmetric Functions Defined at Complex Points

   • R. Jedynak
   • J. Gilewicz

   OriginalPaper 03 February 2022 Pages: 1200 - 1224

4. On the Application of Slowly Varying Functions with Remainder in the Theory of Markov Branching Processes with Mean One and Infinite Variance

   • A. Imomov
   • A. Meyliyev

   OriginalPaper 02 February 2022 Pages: 1225 - 1237

5. Some New Bounds of Gauss–Jacobi and Hermite–Hadamard-Type Integral Inequalities

   • A. Kashuri
   • M. Ramosaçaj
   • R. Liko

   OriginalPaper 11 February 2022 Pages: 1238 - 1258

6. Tauberian Conditions Under which Convergence Follows from the Weighted Mean Summability and Its Statistical Extension for Sequences of Fuzzy Numbers

   • Z. Önder
   • İ. Çanak

   OriginalPaper 03 February 2022 Pages: 1259 - 1277

7. Estimates of Approximating Characteristics and the Properties of the Operators of Best Approximation for the Classes of Periodic Functions in the Space B_1,1

   • A. S. Romanyuk
   • S. Ya. Yanchenko

   OriginalPaper 03 February 2022 Pages: 1278 - 1298

8. An Analog of the Menchov–Trokhimchuk Theorem for Monogenic Functions in a Three-Dimensional Commutative Algebra

   • M. V. Tkachuk
   • S. A. Plaksa

   OriginalPaper 02 February 2022 Pages: 1299 - 1308

9. New Characterizations for the Differences of Composition Operators Between Weighted-Type Spaces in the Unit Ball

   • C. Chen

   OriginalPaper 02 February 2022 Pages: 1309 - 1321

10. On One Property of the Nevanlinna Characteristic

    • M. V. Zabolotskyy
    • T. M. Zabolotskyy

    BRIEF COMMUNICATIONS 03 February 2022 Pages: 1322 - 1330

11. A Note on Units in 𝔽_Q SL (2, ℤ₃)

    • S. Maheshwari
    • R. K. Sharma

    OriginalPaper 03 February 2022 Pages: 1331 - 1337

12. Correction to: Groups with Invariant Infinite Non-Abelian Subgroups

    • N. F. Kuzennyi
    • S. S. Levchenko
    • N. N. Semko

    Author Correction 04 February 2022 Pages: 1338 - 1338

13. Correction to: On Leibniz Algebras Whose Subalgebras Are Either Ideals or Self-Idealizing Subalgebras

    • L. A. Kurdachenko
    • O. O. Pypka
    • I. Ya. Subbotin

    Author Correction 03 February 2022 Pages: 1339 - 1339