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

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Text this: Asymptic stability of nonlinear systems described by difference equations with multiple delays / Somboon Niyom