Shiva Purana

siva.sh/siva-purana/rudra-samhita/86/51

ततो विष्णुर्मयान्ये च सुरसिद्धमुनीश्वराः।। प्रणम्य तुष्टुवुस्सूक्तैर्वेदोपनिषदन्वितैः।।५१।।

sanskrit

He was seated in the form. of penance. We eulogised Him with hymns from the Vedas and Upaniṣads.

english translation

tato viSNurmayAnye ca surasiddhamunIzvarAH|| praNamya tuSTuvussUktairvedopaniSadanvitaiH||51||

hk transliteration by Sanscript