@book{9564,
	author = {Lebedev Physics Institute of the Academy of Sciences of the USSR on the Physical Effects in the Gravitational Field of Black Holes and Markov, M. A., ed.},
	title = {The physical effects in the gravitational field of black holes},
	publisher = {Nova Science},
	year = {1987},
	series = {The proceedings of Lebedev physics institute of the academy},
	address = {Commack}
}