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5.

- . :

, (5.1) (5.3).

(5.1) (5.3), (5.5)

(5.1) 0

(5.7) (5.3). , (5.2) (5.6), :

(5.8)

(5.9) (5.4) ,

, , (5.10) (5.1) (5.3).

.

, .

, - . III (. (5.10)).

,

, .

, . ( ), . ,

(5.12) (5.13), , (5.12)

(5.1) (5.3) (5.10):

,

(5.15) , I . , (5.13),

, , (5.16) ,

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