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, , . 5.50, , X = /.
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(50 ) ( 1 ).
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, ( 104 ), , ,
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6. 16 _________________________________________________________
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. , , . , (ω , k ). , , 6.22.
6. 17 _____________________________________
4.47 ______________________________________________
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, , , (),
[ω ; k ; ; ; ; υ ; ; ]