I, I· ; I, Erosall 1357 s. B u. 1 g ara s at YOUtl0s1aves. LangUetraligiOn111 tradition/i taspeot politiqu.a t' 48 ~tst aotu.eltconclu.sion. i Belgrade: Libr.s1ave 1928. (Association yau.goslave pou.r 1a soci~te des natio~s. ) ,'I