Mudgalapurana 4.40.54.c1

4.40.54.c1

oṃ tatsaditi śrīmadāntye purāṇopaniṣadi śrīmanmaudgale mahāpurāṇe caturthe khaṇḍe gajānanacarite gajānanaprādurbhāvo nāma catvāriṃśo'dhyāyaḥ ||

"Om tat sat." Thus ends the fortieth chapter, named "The Manifestation of Gajānana," in the story of Gajānana, in the fourth section of the glorious and auspicious Maudgala Mahāpurāṇa, an Upaniṣad of the Purāṇas.