Рецензируемый научный журнал · издаётся с 2007 года
Серия: Механика предельного состояния
Учредитель и издатель — Чувашский государственный педагогический университет им. И. Я. Яковлева, г. Чебоксары
The article template uses biblatex (style gost-numeric, backend biber) and produces two reference lists — ЛИТЕРАТУРА and REFERENCES. Configure TeXStudio (Windows) as follows.
Options → Configure TeXStudio.
Build tab → Default Bibliography Tool → Biber (txs:///biber). On the Commands tab make sure Biber = biber %. BibTeX is not used.

Build tab → Build & View → set this order:
PdfLaTeX Biber PdfLaTeX Biber PdfLaTeX PdfLaTeX View PDF
Or, as a single line:
txs:///pdflatex | txs:///biber | txs:///pdflatex | txs:///biber | txs:///pdflatex | txs:///pdflatex | txs:///view-pdf
Biber must run twice: the REFERENCES list is built from the cited keys and becomes complete only after the first Biber pass. A single pass leaves REFERENCES empty. Click OK.

Press F5 (Build & View). Both ЛИТЕРАТУРА and REFERENCES must appear and be numbered; \cite{…} must resolve (no “[?]”).
.aux, .bcf, .bbl, .run.xml, .blg) and rebuild.<key>eng entry in bibtex/author.bib (e.g. bibauthor3 → bibauthor3eng).