Viśukra–Viṣaṅga-vadha (The Slaying of Viśukra and Viṣaṅga) — Lalitopākhyāna
चतुर्व्यूहं समातेने चत्वारस्ते ततो ऽभवन् / वासुदेवो द्वितीयस्तु संकर्षण इति स्मृतः
caturvyūhaṃ samātene catvāraste tato 'bhavan / vāsudevo dvitīyastu saṃkarṣaṇa iti smṛtaḥ
He set forth the Catur-vyūha, and from it the four came to be. The second was Vāsudeva, remembered as Saṃkarṣaṇa.