أرسل هذا في رسالة قصيرة: On a class of constacyclic codes of length 4ps over ð ½pm + uð ½pm

   _____   _    _     ______    _____             
  / ___// | || | ||  /_   _//  |  ___||     ___   
  \___ \\ | || | ||  `-| |,-   | ||__      /   || 
  /    // | \\_/ ||    | ||    | ||__     | [] || 
 /____//   \____//     |_||    |_____||    \__ || 
`-----`     `---`      `-`'    `-----`      -|_|| 
                                             `-`