???????, ?????, ??? . 2005. ?????????? ? ?????????? ?????????????? ?? ????? ??????????? ??????? ? ??????????? ????????? ????. ???????? ?? ????????? ??????????? "??. ??????? ????????". ???????? ?? ????????? ????????? / Annual of Sofia University "St. Kliment Ohridski". Faculty of Slavic Studies 88. (???????? ?? ????????? ??????????? "??. ??????? ????????". ???????? ?? ????????? ????????? / Annual Of Sofia University "st. Kliment Ohridski". Faculty Of Slavic Studies). 5?28.