Gāndharva-lakṣaṇa
Traits/Classification of the Gandharvas) and Royal-Genealogical Continuities (Vamśa-prasaṅga
भृगोराश्रममासाद्य ह्यौर्वैण परिरक्षितः / अग्नेयमस्त्रं लब्ध्वा तु भार्गवात्सगरो नृपः
bhṛgorāśramamāsādya hyaurvaiṇa parirakṣitaḥ / agneyamastraṃ labdhvā tu bhārgavātsagaro nṛpaḥ
Reaching Bhṛgu’s hermitage, he was protected by Aurva. Then King Sagara received from the Bhārgava the fiery weapon, the Agneya-astra.