Shiva Purana
एकादशानां मन्त्राणाम्परस्मैपद पूर्वकम् ॥ शिवज्योतिश्चतुर्थ्यन्तमिदम्पदमथोच्चरेत् ॥ ३५ ॥
With the eleven mantras he shall mention the god. The word Śivajyolis shall be used in the dative case.
english translation
ekAdazAnAM mantrANAmparasmaipada pUrvakam ॥ zivajyotizcaturthyantamidampadamathoccaret ॥ 35 ॥
hk transliteration by Sanscript