Shiva Purana
कृष्ण उवाच ॥ युगावर्तेषु सर्वेषु योगाचार्यच्छलेन तु ॥ अवतारान्हि शर्वस्य शिष्यांश्च भगवन्वद ॥ १ ॥
Śrī Kṛṣṇa said:— O lord, please enumerate the incarnations of Śiva as Yogācārya and his disciples in the different circles of Yugas.
english translation
kRSNa uvAca ॥ yugAvarteSu sarveSu yogAcAryacchalena tu ॥ avatArAnhi zarvasya ziSyAMzca bhagavanvada ॥ 1 ॥
hk transliteration by Sanscript