{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sources of Hyperbolic Geometry (History of Mathematics, V. 10)","author_name":"John Stillwell","thumbnail_url":"https://www.ebooknetworking.net/books/082/180/big0821809229.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821809229.html\">Sources of Hyperbolic Geometry (History of Mathematics, V. 10)</a>","width":400,"height":300}