Shiva Purana
केदारेशोवतारस्तु पंचमः परमश्शिवः ॥ ज्योतिर्लिंगस्वरूपेण केदारे संस्थितस्य च ॥ २३ ॥
The fifth great incarnation of Śiva is the Kedāreśā. He is stationed in Kedāra in the form of Jyotirliṅga.
english translation
kedArezovatArastu paMcamaH paramazzivaH ॥ jyotirliMgasvarUpeNa kedAre saMsthitasya ca ॥ 23 ॥
hk transliteration by Sanscript