> > -
<<
>>
<< >>

7. ()

, (. . 3, 5). , , , .

, (4.39) , - . . , , , (4.18), , (4.39) ( ) (I ). (. 1), .

. , . (4.45)

:

:

( ) .

, - , (4.70) (, (4.58), (4.59)

(4.73) , , (. (4.71), (4.72)). . ,

(4.74) (4.72).

(4.72) , (. (4.64)). , , , . , (3.68):

(4.69) (4.76) (4.50). , - . , (4.69) (4.74) ( (4.75), (4.76)

(4.37), (4.69) -(4.76) (1.70), (1.128), .

<< >>