@article {Лихачев1981,
	title = {Передовая линия обороны Болгарского государства духа},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {5},
	year = {1981},
	pages = {21{\textendash}27},
	author = {Лихачев, Дмитрий}
}
@book {Лихачев1979,
	title = {Поетика древнерусской литературы},
	year = {1979},
	publisher = {Наука},
	organization = {Наука},
	edition = {3-е изд., доп.},
	address = {Москва},
	author = {Лихачев, Дмитрий}
}
