Obituary: Nataliya Borisovna Medvedeva (24.10.1960–2.08.2021). (Russian) Zbl 1483.01012 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 91 (2021). MSC: 01A70 PDFBibTeX XMLCite Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 91 (2021; Zbl 1483.01012) Full Text: MNR
Obituary: Evgeniĭ Anatol’evich Belenkov (21.01.1964–28.10.2021). (Russian) Zbl 1483.01011 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 90 (2021). MSC: 01A70 PDFBibTeX XMLCite Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 90 (2021; Zbl 1483.01011) Full Text: MNR
Razumovskiĭ, Pëtr Vladimirovich; Abrosimov, Mikhail Borisovich The minimal vertex extensions for colored complete graphs. (Russian. English summary) Zbl 1486.05100 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 77-89 (2021). MSC: 05C15 PDFBibTeX XMLCite \textit{P. V. Razumovskiĭ} and \textit{M. B. Abrosimov}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 77--89 (2021; Zbl 1486.05100) Full Text: DOI MNR
Shablovskiĭ, Oleg Nikiforovich Wave equation with cubic nonlinearity and excitation of oscillations in the “medium-source” system. (Russian. English summary) Zbl 1486.74081 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 44-56 (2021). MSC: 74J99 PDFBibTeX XMLCite \textit{O. N. Shablovskiĭ}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 44--56 (2021; Zbl 1486.74081) Full Text: DOI MNR
Soldatova, Ekaterina Aleksandrovna; Keller, Alevtina Viktorovna Algorithms and information processing in numerical research of the Barenblatt-Zheltov-Kochina stochastic model. (Russian. English summary) Zbl 1486.76082 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 29-36 (2021). MSC: 76S05 PDFBibTeX XMLCite \textit{E. A. Soldatova} and \textit{A. V. Keller}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 29--36 (2021; Zbl 1486.76082) Full Text: DOI MNR
Mokhov, Veniamin Gennad’evich; Chebotareva, Galina Sergeevna Making investment decisions in an industrial enterprise under uncertainty. (English) Zbl 1490.91238 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 24-28 (2021). MSC: 91G50 PDFBibTeX XMLCite \textit{V. G. Mokhov} and \textit{G. S. Chebotareva}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 24--28 (2021; Zbl 1490.91238) Full Text: DOI MNR
Dil’man, Valeriĭ Leĭzerovich; Komissarova, Dar’ya Amirovna Existence and uniqueness conditions for solutions of linear functional equations in the classes of Lebesgue functions antiderivatives on a simple smooth curve. (Russian. English summary) Zbl 1490.39030 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 13-23 (2021). MSC: 39B22 45E99 26A42 PDFBibTeX XMLCite \textit{V. L. Dil'man} and \textit{D. A. Komissarova}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 13--23 (2021; Zbl 1490.39030) Full Text: DOI MNR
Karahan, Döne; Mamedov, Khanlar Rashid On a \(q\)-boundary value problem with discontinuity conditions. (English) Zbl 1486.34166 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 5-12 (2021). MSC: 34L10 39A13 47B25 94A20 PDFBibTeX XMLCite \textit{D. Karahan} and \textit{K. R. Mamedov}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 13, No. 4, 5--12 (2021; Zbl 1486.34166) Full Text: DOI MNR