6 (600 ). . ( ). , , . "". "" , 3, 2 . 1 ( ): * , ( ), 2 *. 2 ( ): * 1 , 1 , ( )*. 3 : , , 1 * 4 : 1 , ( ), * 1 , 1 , *, 1 . (: .. " 1981. ", ., , 1981)