The Citing articles tool gives a list of articles citing the current article. The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
G. Dattoli, J.C. Gallardo, A. Renieri, M. Richetta and A. Torre Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 237(1-2) 93 (1985) https://doi.org/10.1016/0168-9002(85)90335-3
Quantum statistical properties of an FEL amplifier