@book{21875,
	author = {Гусев, В. Е.},
	title = {Из истории русской народной поэзии},
	publisher = {Наука. Ленинградское отделение},
	year = {1971},
	address = {Ленинград},
	edition = {Ежегодник "Русский фольклор"}
}