@article {Бабицкая1995,
	title = {Источники Изборника ХІІІ века (Cod. St. Petersburg, GPB, Q.п.І.18)},
	journal = {Byzantinoslavica},
	volume = {56},
	year = {1955},
	pages = {631{\textendash}635},
	author = {Бабицкая, М. Б.}
}
