Musnad Abu Ya'la al-Mawsili 153:145

Ahmad ibn Ibrahim al-Nukri narrated to us, Mubashir—meaning Ibn Isma'il al-Halabi—narrated to us, from al-Awza'i, from al-Zuhri, from Salim, from his father, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "If the wife of one of you asks permission to go to the mosque, do not prevent her."