[n] V. A. Andreev et al., “Development of RFQ Accelerator for the MMF Linac”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 3109-3111.
%\cite{Andreev:PAC91} \bibitem{Andreev:PAC91} V. A. Andreev \emph{et al.}, \textquotedblleft{Development of RFQ Accelerator for the MMF Linac}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 3109--3111.
@inproceedings{andreev:pac91, author = {V. A. Andreev and others}, title = {{Development of RFQ Accelerator for the MMF Linac}}, booktitle = {Proc. PAC'91}, pages = {3109--3111}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }