[n] A. Sytov et al., “The Design of the Electron and Positron Source for CERN External Beam Lines”, presented at the IPAC'23, Venice, Italy, May 2023, paper TUPA068, unpublished.
%\cite{Sytov:IPAC23-TUPA068} \bibitem{Sytov:IPAC23-TUPA068} A. Sytov \emph{et al.}, \textquotedblleft{The Design of the Electron and Positron Source for CERN External Beam Lines}\textquotedblright, presented at the IPAC’23, Venice, Italy, May 2023, paper TUPA068, unpublished.
@unpublished{sytov:ipac23-tupa068, author = {A. Sytov and others}, title = {{The Design of the Electron and Positron Source for CERN External Beam Lines}}, booktitle = {Proc. IPAC'23}, pages = {}, paper = {TUPA068}, venue = {Venice, Italy}, intype = {presented at the}, series = {International Particle Accelerator Conference}, number = {14}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {9}, year = {2023}, issn = {2673-5490}, isbn = {978-3-95-450231-8}, note = {presented at IPAC'23, Venice, Italy, May 2023, paper TUPA068, unpublished}, language = {english} }