Kāśikāvṛtti zu Aṣṭādhyāyī, 1, 1, 9.1, 1.7 tathā ivarṇaḥ tathā uvarṇaḥ tathā ṛvarṇaḥ /

Kāśikāvṛtti zu Aṣṭādhyāyī, 1, 1, 9.1, 1.22 ubhayoḥ ṛvarṇasya ṝvarṇasya cāntaratamaḥ savarṇo dīrgho nāsti iti ṛkāra eva dīrgho bhavati /