The Yogasūtras of Patañjali on concentration of mind
by Tola, Fernando, Fernando Tola, Carmen Dragonetti, K. D. Prithipaul · 1987
Commentary, with text, of the Samādhi pāda, the first part of the Yogasūtra of Patañjali.
YogaHinduismPatanjaliYogasutraReligion