LEX RUSSICA (Russian Law)
Reference:
Maksimova N.A. (2012). Istoki voenno-sluzhebnoi organizatsii vostochnykh slavyan (po materialam drevneishikh istoricheskikh izvestii). LEX RUSSICA (Russian Law), 6, 1156–1168. https://en.nbpublish.com/library_read_article.php?id=62291