Padma Purana 6.224.69

Padmapurāṇa 6.224.69

dhṛtorddhvapuṃḍraḥkṛtacakradhārīviṣṇoḥ padaṃdhyāyatiyomahātmā
svareṇamaṃ traiṇasadāhṛdisthaṃparātparaṃyātiviśuddhacetāḥ