Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 26
Sanskrit:
इत्यन्तरेणार्जुनयो: कृष्णस्तु यमयोर्ययौ ।आत्मनिर्वेशमात्रेण तिर्यग्गतमुलूखलम् ॥ २६ ॥
ITRANS:
ity antareṇārjunayoḥkṛṣṇas tu yamayor yayauātma-nirveśa-mātreṇatiryag-gatam ulūkhalam
Translation:
Having thus spoken, Kṛṣṇa soon entered between the two arjuna trees, and thus the big mortar to which He was bound turned crosswise and stuck between them.