Shiva Purana
अस्मिन्देशे महाभाग नैमिषारण्यसंज्ञके ॥ दीर्घसत्रान्वितास्सर्वे प्रणवार्थप्रकाशकाः ॥ ४० ॥
O most fortunate one in this country called Naimisharanya All of them were accompanied by long sessions and illuminated the meaning of the oṁkāra.
english translation
asmindeze mahAbhAga naimiSAraNyasaMjJake ॥ dIrghasatrAnvitAssarve praNavArthaprakAzakAH ॥ 40 ॥
hk transliteration by Sanscript