Padma Purana 6.128.20

Padmapurāṇa 6.128.20

lohaśaṃkuṃmṛgīyaṃtraṃpaṃthānaṃśālmalinadīm
praviṣṭo'thamahābhīmaṃdurdarśaṃdurgamaṃpunaḥ