	     ( 4)
		 . 
		dbell(at)pdact.pd.necisa.oz.au
		25  1992
		  
		http://beluch.ru


        .
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     ,            .   .

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     4   ,     ,  .

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           .               4, ,  ,   .

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8  1992       4,        ,         ,    "".        ,   ,      .  -         c/4    4.

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 -   ,           4.     , ,  ,   , ,         4  ,     .  -       .        ,          .

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 O...OO..O.OO..OOO..O.OO..OO...O.....O.........O.O....
 O.OO....OOO.O.OOO......OO..O.........................
 ........OO.O...............O..O......................
 O.OO....OOO.O.OOO......OO..O.........................
 O...OO..O.OO..OOO..O.OO..OO...O......................
 O.OO.OO.OO..O.O...OO.OOOO............................
 ......OO.O.OOO..........OO...O.......................
 ..........O...............OO.........................
 ..........O..........................................


       4     .      ,        4,         .         ,          .

[   4 ( c/4)]
 ..O.OO...O.....................
 OO...O...O..OO....O............
 ..O.O...O....O..OO.............
 ......OOO..OO.OO..O............
 ......OOO...OOOOO.O..OOO.O.O...
 ........O.....O.O.OO..OOOO...O.
 .........OO......OO...........O
 .........OO.......OOOOOOOOOOO.O
 ...............................
 .........OO.......OOOOOOOOOOO.O
 .........OO......OO...........O
 ........O.....O.O.OO..OOOO...O.
 ......OOO...OOOOO.O..OOO.O.O...
 ......OOO..OO.OO..O............
 ..O.O...O....O..OO.............
 OO...O...O..OO....O............
 ..O.OO...O.....................


     ,   c/4    4   ,         .        ,     .    ,  ,   . (,     ,  ,   ,   .)

         ,        4.  - ,    ""  c/2.          , ,  . ,   ,       .

       .

