發送短信 : Local stability of limit cycles for time-delay relay-feedback systems

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