Sahih Muslim | Book 6 | Chapter 23

Narrated by Muhammad b. 'Abbas b. Ja'far
Muhammad b. 'Abbas b. Ja'far reported: I asked Jabir b. 'Abdullah (Allah be pleased with both of them) as he was circumambulating the House (Ka'ba) whether the Messenger of Allah (may peace be upon him) had forbidden the fasting on Friday, whereupon he said: Yes, by the Lord of this House.

Narrated by Muhammad b. 'Abbas b. Ja'far
Muhammad b. 'Abbas b. Ja'far reported that he asked Jabir b. Abdullah (Allah be pleased with them), whether he had heard like this from the Apostle of Allah (may peace be upon him).

Narrated by Abu Huraira (Allah be pleased with him)
Abu Huraira (Allah be pleased with him) reported the Apostle of Allah (may peace be upon him) as saying: None among you should observe fast on Friday, but only that he observes fast before it and after it.

Narrated by Abu Huraira (Allah be pleased with him)
Abu Huraira (Allah be pleased with him) reported Allah's Apostle (may peace be upon him) as saying: Do not single out the night (preceding) Friday among the nights for prayer and do not single out Friday among days for fasting but only when anyone among you is accustomed to fast (on dates) which coincide with this day (Friday).