Bakhtina, Zh. I.; Kolesnikova, I. V.; Naydyuk, Ph. O.; Shabrov, S. A. About the distribution of zeros of solutions of homogeneous dynamic equations on time scales. (Russian. English summary) Zbl 1460.34112 Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 4, 67-74 (2018). MSC: 34N05 PDFBibTeX XMLCite \textit{Zh. I. Bakhtina} et al., Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 4, 67--74 (2018; Zbl 1460.34112) Full Text: Link
Bakhtina, Zh. I.; Zalukaeva, Zh. O.; Zvereva, M. B.; Shabrov, S. A. On the adaptation of the finite elements method for a model of string oscillations with discontinuous solutions. (Russian. English summary) Zbl 1402.65076 Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 2, 106-117 (2018). MSC: 65L60 34C10 PDFBibTeX XMLCite \textit{Zh. I. Bakhtina} et al., Vestn. Voronezh. Gos. Univ., Ser. Fiz. Mat. 2018, No. 2, 106--117 (2018; Zbl 1402.65076)
Pokornyĭ, Yu. V.; Bakhtina, Zh I.; Zvereva, M. B.; Shabrov, S. A. Sturm’s oscillation method for spectral problems. (Осцилляционный метод штурма в спектральных задачах.) (Russian) Zbl 1206.34004 Moskva: Fizmatlit (ISBN 978-5-9221-1190-4/hbk). 191 p. (2009). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34-02 34B24 34B45 34B37 PDFBibTeX XMLCite \textit{Yu. V. Pokornyĭ} et al., Осцилляционный метод штурма в спектральных задачах (Russian). Moskva: Fizmatlit (2009; Zbl 1206.34004)