@article{Lysenko_2016 author = {A. V. Lysenko and G. A. Alekseyenko}, title = {PLASMA-BEAM SUPERHETERODYNE FREE ELECTRON LASER WITH H-UBITRON PUMPING AND NON-AXIAL ELECTRON BEAM INJECTION }, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2016}, volume = {75}, number = {8}, pages = {745--756} }