@article{Nechaev_2006 author = {O. G. Nechaev and A. V. Arkhipov and D. G. Seleznyov}, title = {Open Resonator with an Active Microstrip Array}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2006}, volume = {65}, number = {16-20}, pages = {1871--1879} }