Ramayana
ददर्श रावणस्तत्र गोवृषेन्द्रवरारणिम् । यस्माच्चन्द्रः प्रभवति शीतरश्मिर्निशाकरः ॥ 7-23-22 ॥
Ravana saw there that excellent source of the lord of bulls and oxen, from whom arises the moon, the cool-rayed maker of the night.
english translation