%\cite{Potylitsyn:FEL2015-WEP087} \bibitem{Potylitsyn:FEL2015-WEP087} A.~Potylitsyn, D.Yu.~Sergeeva, M.N.~Strikhanov, and A.A.~Tishchenko, \textquotedblleft{Smith-Purcell Radiation from Microbunched Beams Modulated after Passing the Undulators in FELs}\textquotedblright, % in \emph{Proc. FEL2015}, WEP087, pp. 752--756, % in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP087, pp. 752--756, in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP087, pp. 752--756, ISBN: 978-3-95450-134-2, \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep087.pdf}, doi:10.18429/JACoW-FEL2015-WEP087, 2015.