Skandapurana 16.33.13

16.33.13

aśaktāstāḥ samānetuṃ pṛṣṭāśca surasattamaiḥ ..
tataḥ sarasvatīṃ prāha devadevo janārddanaḥ ..
tvameva vraja kalyāṇi pratīcyāṃ lavaṇodadhau .. 13 ..

When questioned by the best of the gods, they were unable to lead him. / Then the god of gods, Janārdana, said to Sarasvatī: / "Go yourself, O auspicious one, to the western salt ocean.