Poluboyarova, N. M. Some properties of extremals of the functional of potential energy. (English. Russian original) Zbl 1453.49018 J. Math. Sci., New York 252, No. 2, 225-231 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 152, 103-109 (2018). MSC: 49Q10 53A07 31A15 PDF BibTeX XML Cite \textit{N. M. Poluboyarova}, J. Math. Sci., New York 252, No. 2, 225--231 (2021; Zbl 1453.49018); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 152, 103--109 (2018) Full Text: DOI
Poluboyarova, Natal’ya Mikhaĭlovna On instability of extremals of potential energy functional. (Russian. English summary) Zbl 07279857 Ufim. Mat. Zh. 10, No. 3, 79-88 (2018); translation in Ufa Math. J. 10, No. 3, 77-85 (2018). MSC: 53A10 30C70 31A15 PDF BibTeX XML Cite \textit{N. M. Poluboyarova}, Ufim. Mat. Zh. 10, No. 3, 79--88 (2018; Zbl 07279857); translation in Ufa Math. J. 10, No. 3, 77--85 (2018) Full Text: DOI MNR
Poluboyarova, N. M. Stability of \(n\)-dimensional extremal surfaces of revolution. (English. Russian original) Zbl 1228.53007 Russ. Math. 55, No. 2, 93-95 (2011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 2, 106-109 (2011). MSC: 53A07 49Q10 53C42 PDF BibTeX XML Cite \textit{N. M. Poluboyarova}, Russ. Math. 55, No. 2, 93--95 (2011; Zbl 1228.53007); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 2, 106--109 (2011) Full Text: DOI