Abu al-Zanad أبو الزناد · The Book of Salah

"Sa'eed bin Jubair led us in prayer in Jam'. (He prayed) Maghrib, three Rak'ahs with an Iqamah, then he prayed 'Isha', two Rak'ahs. Then he mentioned that 'Abdullah bin 'Umar had done that, and he mentioned that the Messenger of Allah (ﷺ) had done that."