Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: Discrete-time adaptive control for nonlinear systems with periodic parameters: A lifting approach