Shiva Purana
अभ्यर्चनान्ते तु पुनः प्राणानायम्य मानवः ॥ सम्यक्चित्तं समाधाय शार्वं नामाष्टकं जपेत् ॥ ५३ ॥
At the end of the worship the human being again bent his breath. With the mind perfectly fixed one should chant the eight names of Sharva.
english translation
abhyarcanAnte tu punaH prANAnAyamya mAnavaH ॥ samyakcittaM samAdhAya zArvaM nAmASTakaM japet ॥ 53 ॥
hk transliteration by Sanscript