Vimshabrahmana 99.9

Viṃśabrāhmaṇa 99.9

aṣṭābhirvā akṣarairanuṣṭup prathamaṃ dvādaśāhasyā'harūdyacchatyekādaśabhirdvitīyaṃ dvādaśabhistṛtīyam