????????????, ???, ??? . 2013. ?? ???? ?? ?????? (????????, ???????????????, ????????,. ???????? ?? ????????? ??????????? ???. ??????? ?????????. ???????? ?? ????????? ????????? / Annual of Sofia University "St. Kliment Ohridski". Faculty of Slavic Studies 98. (???????? ?? ????????? ??????????? ???. ??????? ?????????. ???????? ?? ????????? ????????? / Annual Of Sofia University "st. Kliment Ohridski". Faculty Of Slavic Studies).