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  ______    ______    _____    __   __    _____   
 /_____//  /_   _//  / ____||  \ \\/ //  / ____|| 
 `____ `    -| ||-  / //---`'   \ ` //  / //---`' 
 /___//     _| ||_  \ \\___      | ||   \ \\___   
 `__ `     /_____//  \_____||    |_||    \_____|| 
 /_//      `-----`    `----`     `-`'     `----`  
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Text this: On the ε-approximation of the solution of the Black-Scholes equation