Skandapurana 7.1.27_43

7.1.27_43

brahmaṇaścāgamastatra tapasaścaraṇantathā .
śarvasya darśanañcaiva devyāścaiva samudbhavaḥ . .6..

and the arrival of Brahmā there, and the practicing of austerity; / the vision of Śarva, and the birth of the Goddess;