《梦溪笔谈·辨证一》
查考《五代史》，钱谬在后唐长兴三年逝世，杨溥在天成二年已经自行称帝，怎么会在长兴三年还自称 吴王 ？
按《五代史》，钱镠以后唐长兴二年卒，杨溥天成四年已僭即伪位，岂得长兴二年尚称 吴王 ？
According to the Five Dynasties History, Qian Miao died in the third year of Changxing in the Later Tang Dynasty, and Yang Pu had already proclaimed himself emperor in the second year of Tiancheng, so how could he still call himself "King of Wu" in the third year of Changxing?