《新五代史·附录·四夷附录第三》
这年冬十二月，张匡邺等人从灵州走了两年到达于阗，到七年冬纔返回。
是岁冬十二月，匡鄴等自灵州行二岁至于阗，至七年冬乃还。
That year, in the twelfth month of winter, Zhang Kuangye and others set out from Lingzhou and arrived in Yutian after two years, returning only in the winter of the seventh winter.