%0 Journal Article %A N. S. Ginzburg %A N. Yu. Peskov %A A. S. Sergeev %A V. Yu. Zaslavskii %A A. V. Arzhannikov %A S. L. Sinitskii %T Two-dimensional distributed feedback as a method for generation of powerful coherent radiation from spatially-extended relativistic electron beams %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2020 %P 575-632 %V 28 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2020_28_6_a1/ %G ru %F IVP_2020_28_6_a1