Shiva Purana
आदित्यो भास्करो भानू रविश्चेत्यनुपूर्वशः ॥ अर्को ब्रह्मा तथा रुद्रो विष्णुश्चैते विवस्वतः ॥ २९ ॥
The sun-god, Bhaskara, Bhānu and Ravi are the four planetary systems, respectively. The sun, Brahma, Rudra and Vishnu are the sun-gods.
english translation
Adityo bhAskaro bhAnU ravizcetyanupUrvazaH ॥ arko brahmA tathA rudro viSNuzcaite vivasvataH ॥ 29 ॥
hk transliteration by Sanscript