{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Non-Euclidean Geometry: A Critical and Historical Study of its Development","author_name":"Roberto Bonola, Nicholas Lobachevski, John Boylai","thumbnail_url":"https://www.ebooknetworking.net/books/048/660/big0486600270.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486600270.html\">Non-Euclidean Geometry: A Critical and Historical Study of its Development</a>","width":400,"height":300}