Sunan an Nasai
1758
Sahih+2

It was narrated from Ibrahim bin Muhammad that:He heard his father narrating that he heard Aishah say: "The Messenger of Allah (ﷺ) would not omit four rak'ahs before Zuhr and two rak'ahs before Fajr

SahihAbu Ghuddah
SahihAl-Albani