@article {Kostova1998,
	title = {A Tenth-Century Graffito of St Basil the Great in the Light of His Cult in Eastern Monasticism},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {22},
	year = {1998},
	pages = {75{\textendash}95},
	author = {Kostova, Rosina}
}
