Natyashastra
स्थानन्तु वैष्णवं कृत्वा सौष्ठवाङ्गपुरस्कृतम् । दीक्षिताः शुचयश्चैव प्रविशेयुः समं त्रयः ॥ ६७॥
Making the place sacred by invoking Lord Vishnu, adorned with beauty and grace, the purified and initiated ones, three in number, should enter together.
english translation
sthAnantu vaiSNavaM kRtvA sauSThavAGgapuraskRtam । dIkSitAH zucayazcaiva pravizeyuH samaM trayaH ॥ 67॥
hk transliteration by Sanscript