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???????, ????, ??? . 2000. ????? ???? (1924?1999). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 25. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 169?172.

???????, ????, ??? . 1987. ????? ??? (1905?1986). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 127?128.