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