@article {Feuillet1986,
	title = {L{\textquoteright}emploi du parfait en vieux bulgare},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {10},
	year = {1986},
	pages = {35{\textendash}40},
	author = {Feuillet, Jack}
}
@article {Feuillet1978,
	title = {Les oppositions phonologiques du vieux bulgare},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {2},
	year = {1978},
	pages = {3{\textendash}11},
	author = {Feuillet, Jack}
}
