Bhavaprakasha 2.6.198

Bhāvaprakāśa (another edition) 2.6.198

tatpratyekaṃ tridhā proktaṃ lekhanaṃ ropaṇaṃ tathā
snehanaṃ ceti liṅgāni teṣāṃ vistarataḥ śṛṇu