[n] K. E. Smirnov et al., “Cyclotron System C-250”, in Proc. RuPAC2021, Alushta, Crimea, Sep.-Oct. 2021, pp. 105-107. doi:10.18429/JACoW-RuPAC2021-FRA05
%\cite{Smirnov:RuPAC2021-FRA05} \bibitem{Smirnov:RuPAC2021-FRA05} K. E. Smirnov \emph{et al.}, \textquotedblleft{Cyclotron System C-250}\textquotedblright, in \emph{Proc. RuPAC2021}, Alushta, Crimea, Sep.-Oct. 2021, pp. 105--107. \url{doi:10.18429/JACoW-RuPAC2021-FRA05}
@inproceedings{smirnov:rupac2021-fra05, author = {K. E. Smirnov and others}, title = {{Cyclotron System C-250}}, booktitle = {Proc. RuPAC2021}, pages = {105--107}, paper = {FRA05}, venue = {Alushta, Crimea}, series = {Russian Particle Accelerator Conference}, number = {27}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2021}, issn = {2673-5539}, isbn = {978-3-95-450240-0}, doi = {10.18429/JACoW-RuPAC2021-FRA05}, language = {english} }