{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A treatise on the differential and integral calculus: and the calculus of variations","author_name":"Hall, T G. 1803-1881","thumbnail_url":"https://www.ebooknetworking.net/books/117/830/big1178304787.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178304787.html\">A treatise on the differential and integral calculus: and the calculus of variations</a>","width":400,"height":300}