發送短信 : Fast sequential and parallel vertex relabelings of K<inf>m,m</inf>

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