12, No. 3 (Nov., 2002), pp. 296: Writing 勒 instead of 勤 is a common script error in current editions of almost all dynastic histories Taskin V.S.
12, No. 3 (Nov., 2002), pp. 296: Writing 勒 instead of 勤 is a common script error in current editions of almost all dynastic histories Таскин В. С. Материалы по истории древних кочевых народов группы дунху.