????????, ?????, ??? . 1996. ? ????? ?? ???????? ???????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 21. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 130?131.

,, ??? . 1991. ? ????? ?? ???????? ???????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 16. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 104?105.

????????, ????, ??? . 1991. ????????? ? ???????? ???????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 16. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 6?8.

,, ??? . 1991. ???????? ??????? (10.11.1920?5.11.1991). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 16. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 5.

????????, ????, ??? . 1990. ????. ???????? ??????? ?? ?????????? ??????. Palaeobulgarica / ????????????????? 14. (Palaeobulgarica / ?????????????????). 3?7.