TY JOUR TI Isolation of two-dimensional E-fields in the excitation equations for hollow waveguides KW Vainshtein waveguide excitation theory KW excitation equation KW electron beam JO Infocommunications and Radio Technologies AU Kuraev, A.A. AU Koronovskii, A.A. AU Kurkin, S.A. AU Rak, A.O. AU Rempen, I.S. AU Badarin, A.A. AU Hramov, A.E. PY 2018 IS 1 PB Federal State Educational Institution of Higher Education Sevastopol State University