@book{136710,
	author = {Виноградов, И. М.},
	title = {Математическая энциклопедия. Т. 5 :},
	publisher = {Советская энциклопедия,},
	year = {1985.},
	series = {Энциклопедии словари справочники},
	address = {Москва :}
}