[n] J. Hagel and H. Moshammer, “Analytic Calculation of the Dynamical Aperture for the Two Dimensional Betatron Motion in Storage Rings”, in Proc. EPAC'88, Rome, Italy, Jun. 1988, pp. 696-699.
%\cite{Hagel:EPAC88} \bibitem{Hagel:EPAC88} J. Hagel and H. Moshammer, \textquotedblleft{Analytic Calculation of the Dynamical Aperture for the Two Dimensional Betatron Motion in Storage Rings}\textquotedblright, in \emph{Proc. EPAC’88}, Rome, Italy, Jun. 1988, pp. 696--699.
@inproceedings{hagel:epac88, author = {J. Hagel and H. Moshammer}, title = {{Analytic Calculation of the Dynamical Aperture for the Two Dimensional Betatron Motion in Storage Rings}}, booktitle = {Proc. EPAC'88}, pages = {696--699}, paper = {}, venue = {Rome, Italy, Jun. 1988}, series = {European Particle Accelerator Conference}, number = {1}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }