CC Madhya 18.48

tabe rūpa gosāñi saba nija-gaṇa lañā
eka-māsa daraśana kailā mathurāya rahiyā
Word for word: 
tabe — thereupon; rūpa gosāñi — Śrīla Rūpa Gosvāmī; saba — all; nija-gaṇa lañā — taking his associates with him; eka-māsa — for one month; daraśana kailā — saw the Deity; mathurāya rahiyā — staying at the city of Mathurā.
Translation: 
Śrīla Rūpa Gosvāmī and his associates stayed in Mathurā for one month and saw the Gopāla Deity.