Bŭlgarskata srednovekovna diplomat︠s︡ii︠a︡
By: Petŭr Angelov.
Edition: 1. izd. --
Publisher: Dŭrzh. izd-vo "Nauka i izkustvo"
Published: 1988
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 196
Subjects: Bulgaria -- Foreign relations.
Notes: Summary in French and Russian.

Includes bibliographical references.