Shiva Purana
स्तुत्वा बहुतया विष्णुं स्वदुःखं च न्यवेदयत् ॥ शर्वं ज्वालासमुद्भूतमत्रेश्च तपसः परम् ॥ १२॥
After eulogising him Viṣṇu mentioned to Śiva his grief caused by the flame due to the penance of Atri.
english translation
stutvA bahutayA viSNuM svaduHkhaM ca nyavedayat ॥ zarvaM jvAlAsamudbhUtamatrezca tapasaH param ॥ 12॥
hk transliteration by Sanscript