Śaṅkara on the Yoga-sūtra-s. the Vivara.na sub-commentary to Vyāsabhā.sya on the Yoga-sūtra-s of Pantañjali Samādhi-pāda /
Śaṅkarācārya.
Leggett, Trevor,1914-
London : Routledge & Kegan Paul,
1981.
Patanjali.
Vyāsa.
Yoga.