> >
<<
>>
<< >>

2. -.

[33, 34] .

). , , (2.1). (2.1)

. (2.1)

(2.1)

. 17 (2.4)

. 17

(2.1), (2.2) . ( ). (1.2)-(1.3). ( 1.2) (1.3)

(2.6) . (2.6)

, , , ( ), (2.3) (1.4)

(2.6) :

(2.6) , (2.9)

(. . .

. (2.7), (2.10) (2.4)

<< >>