發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Preserving of ideals on generalized induced algebras