Natyashastra
आसारितानामित्येवं गदितं लक्षणं मया । गीतानां वस्तुकानां च प्रयोगः परिकल्पते ॥ १७९॥
Thus I have described the characteristics of the Āsārita. Now, the application of the sections (Vastus) of songs is to be considered.
english translation
AsAritAnAmityevaM gaditaM lakSaNaM mayA । gItAnAM vastukAnAM ca prayogaH parikalpate ॥ 179॥
hk transliteration by Sanscript