@article {Angelov1980, title = {L {\textquoteright}Etat bulgare et l{\textquoteright}Europe m{\'e}di{\'e}vale}, journal = {Palaeobulgarica / Старобългаристика}, volume = {4}, year = {1980}, pages = {30{\textendash}38}, author = {Angelov, Dimit{\^a}r} }