@article {Bernard1989,
	title = {Introduction {\`a} l{\textquoteright}{\'e}tude de l{\textquoteright}aoriste vieux bulgare},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {13},
	year = {1989},
	pages = {8{\textendash}20},
	author = {Bernard, Roger}
}
