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

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發送短信 : On commutative Noetherian rings which satisfy the generalized radical formula