Shiva Purana
व्यासो युगे षोडशे तु यदा देवो भविष्यति ॥ तदा योगप्रदानाय गोकर्णो भविता ह्यहम् ॥ १५ ॥
In the sixteenth aeon, there will be Deva Vyāsa; I shall be born as Gokarṇa for imparting instructions in Yoga.
english translation
vyAso yuge SoDaze tu yadA devo bhaviSyati ॥ tadA yogapradAnAya gokarNo bhavitA hyaham ॥ 15 ॥
hk transliteration by Sanscript