The Vedanta Sutras with the Commentary

The Sri Bhasya is the most famous work of Sri Ramanuja, (1017-1137). It is his commentary on Sri Badarayana's Vedanta Sutra. It was completed when he was around a hundred years old (citation required). In his commentary, Ramanuja presents the fundamental philosophical principles of Visistadvaita based on his interpretation of the Upanisads, Bhagavad-gita and other smrti texts, the previous acaryas, and of course the Vedanta-sutra itself. This is done by way of refuting Sankara's Advaita Vedanta and in particular his theory of maya