Shiva Purana
अस्त्रमूर्ती च शिवयोर्नित्यमर्चनतत्परे ॥ सत्कृत्य शिवयोराज्ञां ते मे कामं प्रयच्छताम् ॥ ४६ ॥
May the missile forms of Śiva and Śivā always engaged and devoted to the worship of the pair grant my desire at their behest.
english translation
astramUrtI ca zivayornityamarcanatatpare ॥ satkRtya zivayorAjJAM te me kAmaM prayacchatAm ॥ 46 ॥
hk transliteration by Sanscript