Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 37
Sanskrit:
स्वकर्म तत्कृतं राम: पित्रे भ्रातृभ्य एव च ।वर्णयामास तच्छ्रुत्वा जमदग्निरभाषत ॥ ३७ ॥
ITRANS:
sva-karma tat kṛtaṁ rāmaḥpitre bhrātṛbhya eva cavarṇayām āsa tac chrutvājamadagnir abhāṣata
Translation:
Paraśurāma described to his father and brothers his activities in killing Kārtavīryārjuna. Upon hearing of these deeds, Jamadagni spoke to his son as follows.