Kurmapurana 1.50.9

Kūrmapurāṇa 1.50.9

saptaviṃśe tathā vyāso jātūkarṇo mahāmuniḥ /
aṣṭāviṃśe punaḥ prāpte hyasmin vai dvāpare dvijāḥ /
parāśarasuto vyāsaḥ kṛṣṇadvaipāyano 'bhavat //