Shiva Purana
पुरोपमन्युमासीनं विष्णुःकृष्णवपुर्धरः ॥ प्रणिपत्य यथान्यायमिदं वचनमब्रवीत् ॥ ७ ॥
Formerly Viṣṇu in the form of Kṛṣṇa bowed to Upamanyu sitting in his hermitage and spoke courteously.
english translation
puropamanyumAsInaM viSNuHkRSNavapurdharaH ॥ praNipatya yathAnyAyamidaM vacanamabravIt ॥ 7 ॥
hk transliteration by Sanscript