發送短信

數:

提供者:

CAPTCHA:

  ____       ___     _____     _    _             
 |  _ \\    / _ \\  |  __ \\  | || | ||     ___   
 | |_| ||  | / \ || | |  \ || | || | ||    /   || 
 | .  //   | \_/ || | |__/ || | \\_/ ||   | [] || 
 |_|\_\\    \___//  |_____//   \____//     \__ || 
 `-` --`    `---`    -----`     `---`       -|_|| 
                                             `-`

Please enter what you see:

發送短信 : Endpoints of multi-valued weakly contraction in complete metric spaces endowed with graphs