{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Proof in Geometry: With \"Mistakes in Geometric Proofs\" (Dover Books on Mathematics)","author_name":"A. I. Fetisov, Ya. S. Dubnov, Mathematics","thumbnail_url":"https://www.ebooknetworking.net/books/048/645/big0486453545.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486453545.html\">Proof in Geometry: With &quot;Mistakes in Geometric Proofs&quot; (Dover Books on Mathematics)</a>","width":400,"height":300}