أرسل هذا في رسالة قصيرة: Computing and combinatorics : 7th annual international conference, COCOON 2001, Guilin, China, August 20-23, 2001 : proceedings

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