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| || | ||  \ \\/ //  /  ___||  \ \\/ //  /_   _// 
| '--' ||   \ ` //  | // __     \ ` //   `-| |,-  
| .--. ||    | ||   | \\_\ ||    | ||      | ||   
|_|| |_||    |_||    \____//     |_||      |_||   
`-`  `-`     `-`'     `---`      `-`'      `-`'

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發送短信 : Bernstein-type constants for approximation of |x|α by partial Fourier–Legendre and Fourier–Chebyshev sums