Shiva Purana
शिवाग्नौ वा यजेद्देवं होमद्रव्यैश्च सप्तभिः ॥ समभ्यर्च्य यथान्यायं सर्वावरणदेवताः ॥ ९० ॥
Or he shall worship the lord in the Śiva-fire with the seven articles of sacrifice after duly worshipping the Āvaraṇa deities.
english translation
zivAgnau vA yajeddevaM homadravyaizca saptabhiH ॥ samabhyarcya yathAnyAyaM sarvAvaraNadevatAH ॥ 90 ॥
hk transliteration by Sanscript