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˳ IS , () ()




IS () (Y), ( ), - , .

, . .

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, ,

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, .

S ' , . " " , .

³, , . , (r), (I). . () , , , (Y). " ". : , , . , ' (r) (Y): . IS ' ' .

, IS , ' 䳿 " ". IS . " " , , , , IS . Y, r, . , , , .

IS , , , , . , . . - . (T) (G) IS .

G T IS . , G , IS.

IS ': , , , . IS ' . , IS , , . IS (I) (S).

 

 






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