Natyashastra
ज्येष्ठस्य भवति नियमादादावेका चतुष्कला मात्रा । मात्रा कृन्दुगता स्यात्कृत्वौतौ द्वौ च परिवर्तौ ॥ ९५॥
According to rule, the long Āsārita begins with one section of four Kalās in measure. The measure proceeds in the manner of a Kṛndu, consisting of two successive turns.
english translation
jyeSThasya bhavati niyamAdAdAvekA catuSkalA mAtrA । mAtrA kRndugatA syAtkRtvautau dvau ca parivartau ॥ 95॥
hk transliteration by Sanscript