Padma Purana 5.74.204

Padmapurāṇa 5.74.204

imaṃśrībhagavadbhaktamahimādhyāyamadbhutam
yaḥpaṭhecchṛṇuyādvāpisaratiṃviṃdateharau

iti śrīpadmapurāṇepātālakhaṃḍearjunyanunayonāmacatuḥsaptatitamo'dhyāyaḥ