Budochkina, S. A.; Luu, T. H. On connection between variationality of a six-order ordinary differential equation and Hamilton-Ostrogradskii equations. (English) Zbl 1506.47085 Lobachevskii J. Math. 42, No. 15, 3594-3605 (2021). MSC: 47G40 70H05 34A55 PDF BibTeX XML Cite \textit{S. A. Budochkina} and \textit{T. H. Luu}, Lobachevskii J. Math. 42, No. 15, 3594--3605 (2021; Zbl 1506.47085) Full Text: DOI
Budochkina, Svetlana A.; Dekhanova, Ekaterina S. On the potentiality of a class of operators relative to local bilinear forms. (English) Zbl 1477.49054 Ural Math. J. 7, No. 1, 26-37 (2021). MSC: 49N45 49J05 49J15 PDF BibTeX XML Cite \textit{S. A. Budochkina} and \textit{E. S. Dekhanova}, Ural Math. J. 7, No. 1, 26--37 (2021; Zbl 1477.49054) Full Text: DOI MNR
Budochkina, Svetlana Aleksandrovna On connection between variational symmetries and algebraic structures. (Russian. English translation) Zbl 1474.47093 Ufim. Mat. Zh. 13, No. 1, 46-55 (2021); translation in Ufa Math. J. 13, No. 1, 46-55 (2021). MSC: 47G40 70S10 PDF BibTeX XML Cite \textit{S. A. Budochkina}, Ufim. Mat. Zh. 13, No. 1, 46--55 (2021; Zbl 1474.47093); translation in Ufa Math. J. 13, No. 1, 46--55 (2021) Full Text: DOI MNR
Filippov, V. M.; Savchin, V. M.; Budochkina, S. A. On the existence of variational principles for differential-difference evolution equations. (English. Russian original) Zbl 1296.49033 Proc. Steklov Inst. Math. 283, 20-34 (2013); translation from Tr. Mat. Inst. Steklova 283, 25-39 (2013). Reviewer: Vasile Iftode (Bucureşti) MSC: 49N45 49J20 49J21 35R10 PDF BibTeX XML Cite \textit{V. M. Filippov} et al., Proc. Steklov Inst. Math. 283, 20--34 (2013; Zbl 1296.49033); translation from Tr. Mat. Inst. Steklova 283, 25--39 (2013) Full Text: DOI
Kolesnikova, I. A.; Savchin, V. M. On the existence of variational principles for a class of the evolutionary differential-difference equations. (English) Zbl 1232.49007 J. Funct. Spaces Appl. 2012, Article ID 780382, 9 p. (2012). MSC: 49J21 PDF BibTeX XML Cite \textit{I. A. Kolesnikova} and \textit{V. M. Savchin}, J. Funct. Spaces Appl. 2012, Article ID 780382, 9 p. (2012; Zbl 1232.49007) Full Text: DOI
Kolesnikova, I. A. On potentiality conditions for partial differential-difference equations. (English. Russian original) Zbl 1196.35020 Differ. Equ. 46, No. 3, 448-451 (2010); translation from Differ. Uravn. 46, No. 3, 443-445 (2010). MSC: 35A15 39A14 PDF BibTeX XML Cite \textit{I. A. Kolesnikova}, Differ. Equ. 46, No. 3, 448--451 (2010; Zbl 1196.35020); translation from Differ. Uravn. 46, No. 3, 443--445 (2010) Full Text: DOI