@article{Filippov_2008 author = {Yu. F. Filippov}, title = {Whispering-Gallery Modes in a Hemispherical Dielectric Cavity Resonator Placed on a Plane Substrate with Nonperfect Conductivity}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2008}, volume = {67}, number = {1}, pages = {1--15} }