Bŭlgarskata srednovekovna diplomat͡s︡ii͡a︡
By: Petŭr Angelov.
Edition: 1. izd.
Publisher: Dŭrzh. Izd-vo Nauka I Izkustvo
Published: 1988
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 196
Subjects: Bulgaria -- Foreign relations.
Notes: Includes bibliographical references.
Summary in French and Russian.