TY - JOUR AU - A. A. Funtov TI - About nonlinear theory of two-cavity klystron with a drift space in the form of medium with complex permittivity JO - Izvestiya VUZ. Applied Nonlinear Dynamics PY - 2020 SP - 414 EP - 424 VL - 28 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVP_2020_28_4_a6/ LA - ru ID - IVP_2020_28_4_a6 ER -