Shiva Purana
पद्मस्येशानकोष्ठे तु तथा पद्मं समालिखेत् ॥ कवर्गस्य तृतीयं तु पंचमस्वरसंयुतम् ॥ २० ॥
Similarly one should write a lotus on the lotus of the lotus The third of the kavarga is composed of the fifth note.
english translation
padmasyezAnakoSThe tu tathA padmaM samAlikhet ॥ kavargasya tRtIyaM tu paMcamasvarasaMyutam ॥ 20 ॥
hk transliteration by Sanscript