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Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134

§ Scientific articles

Burlakov E.O., Kayumov F.B., Serova I.D. Numerical assessment of the spread dynamics of the new coronavirus infection SARS-CoV-2 using multicompartmental models with distributed parameters // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 109-120. DOI: 10.20310/2686-9667-2021-26-134-109-120.

Gorbatova Yu.V. On permutable strongly 2-maximal and strongly 3-maximal subgroups // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 121-129. DOI: 10.20310/2686-9667-2021-26-134-121-129.

Mohamad A.H. Solvability conditions in the analytical form of a descriptor system of partial differential equations // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 130-142. DOI: 10.20310/2686-9667-2021-26-134-130-142.

Ponosov A. A counterexample to the stochastic version of the Brouwer fixed point theorem // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 143-150. DOI: 10.20310/2686-9667-2021-26-134-143-150.

Sumin M.I. Lagrange principle and its regularization as a theoretical basis of stable solving optimal control and inverse problems // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 151-171. DOI: 10.20310/2686-9667-2021-26-134-151-171.

Uskov V.I. Study of rigidity of a first-order algebro-differential system with perturbation in the right-hand side // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 172-181. DOI: 10.20310/2686-9667-2021-26-134-172-181.

Chentsov A.G. Maximal linked systems on products of widely understood measurable spaces // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 182-215. DOI: 10.20310/2686-9667-2021-26-134-182-215.

§ Short messages

Benarab S. Two-sided estimates for solutions of boundary value problems for implicit differential equations // Russian Universities Reports. Mathematics. Tambov, 2021. Vol. 26. № 134. P. 216-220. DOI: 10.20310/2686-9667-2021-26-134-216-220.

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