Shiva Purana
पुत्रार्थं हि तपस्तप्तुं गतस्तस्य महामुनेः ॥ आश्रमं मुनिभिर्दृष्टं दृष्टवांस्तत्र वै मुनिम् ॥ १३ ॥
He went to the great sage’s hermitage resorted to by other sages, in order to perform a penance for the sake of sons. There he saw the sage Upamanyu.
english translation
putrArthaM hi tapastaptuM gatastasya mahAmuneH ॥ AzramaM munibhirdRSTaM dRSTavAMstatra vai munim ॥ 13 ॥
hk transliteration by Sanscript