@book{55503,
	author = {Shestopalov, V. P. and Shestopalov, I︠U︡. V.},
	title = {Spectral theory and excitation of open structures /},
	publisher = {Institution of Electrical Engineers,},
	year = {1996.},
	series = {IEE electromagnetic waves series ;},
	address = {London :}
}