: , , .
S , .. => .
AS . : . ( ); ( ); ( ).
. , , , , , . , .
=> , => .
, , . , , . / , .
, . /.
. AS. , . , / . .
, => . . .
. . AS, , , . , , AS , .
, , (AS3 AS2).
AS1 AS2 . , , , , , .
AS . AS1 AS3 . , => AS, : , , ; .
AS . AS=f(P ( ), Pp ( ),T(),N(),)