The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Balandin:IPAC2017-MOPIK069}
\bibitem{Balandin:IPAC2017-MOPIK069}
V. Balandin, N. Golubeva,
\textquotedblleft{Approximate Matrices for Modeling the Focusing of the Undulator Periods and Undulator End Fields}\textquotedblright,
% in \emph{Proc. IPAC2017}, pp. 686--688,
% in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPIK069, pp. 686--688,
in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)},
Copenhagen, Denmark, May 2017, paper MOPIK069, pp. 686--688,
% ISBN: 978-3-95450-182-3,
\url{http://jacow.org/ipac2017/papers/mopik069.pdf},
\url{https://doi.org/10.18429/JACoW-IPAC2017-MOPIK069}, 2017.