發送短信 : Constructions of relative difference sets with classical parameters and circulant weighing matrices

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