@book{12512,
	author = {Halmos, P. R. and Sunder, V. S. and Sunder, V. S. ; jt. auth.},
	title = {Bounded integral operators on L2 spaces},
	publisher = {Springer-Verlag},
	year = {1978},
	series = {Ergebnisse der Mathematik und ihrer Grenzgebiete},
	address = {Berlin}
}