@article{Kirichenko_1999 author = {Yu. V. Kirichenko}, title = {Generation and Amplification of Electromagnetic Waves by a Tubular Plasma Beam in Crossed Radial Electrostatic and Axial Magnetic Fields in Free Space}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {1999}, volume = {53}, number = {7-8}, pages = {102--107} }