Shiva Purana
अश्वत्थामा द्रोणपुत्रो रौद्रोंशो दुर्जयोऽति सः ॥ मया साध्या भवेयुस्ते सर्वथा स्वहितं शृणु ॥ ५४॥
Aśvatthāman, son of Droṇa and a part of Rudra, is extremely invincible. But they can be withstood through me. Listen to what is wholesome to you.
english translation
azvatthAmA droNaputro raudroMzo durjayo'ti saH ॥ mayA sAdhyA bhaveyuste sarvathA svahitaM zRNu ॥ 54॥
hk transliteration by Sanscript