@article{Olkhovskiy_2008 author = {Ye. A. Olkhovskiy and O. V. Shramkova and A. A. Bulgakov}, title = {Three-Frequency Interaction of Electromagnetic Waves in a Periodical Layered Structure}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2008}, volume = {67}, number = {3}, pages = {217--226} }