: , .
ϲ. ϳ .1 - .3.
˳: [7] . 166-174; [10] . 240-258; [17] . 328-357; [18] . 426-435; [19] .734-760.
̲
1. .
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2. .
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3. . (, , , , ).
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4. .7.1.
7.1.
5. , :
,
, ();
D - , ;
h - , .
7.2.
7.2.
| - , () | ij , | , | , | ||
6. , , . :
,
- , ();
h - , .
.7.3.
7.3.
| , | - | - , () | - , / 2 | ||
| h | |||||
7. , , ` :
|
|
|
,
- , ( );
b h - , .
.7.4.
7.4.
| - | , | , ( ) | ,
| ||
| h | |||||
.
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Ͳ
1. .
2. .
3. .
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