It is narrated from Hazrat Abu Huraira (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: When any one of you has offered the Friday prayer, then he should offer four rak'ahs after it.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 10486
Hadith Gradingحکم دارالسلام:حديث صحيح، م: 881، وهذا إسناد ضعيف كسابقه، لكنه قد توبع