@article {Cvetkova1979,
	title = {Probl{\`e}mes de la nationalit{\'e} bulgare pendant les {XVe{\textendash}XVIIe} s.},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {3},
	year = {1979},
	pages = {13{\textendash}25},
	author = {Cvetkova, Bistra}
}
