{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Berkeley Problems in Mathematics (Problem Books in Mathematics)","author_name":"Paulo Ney de Souza, Jorge-Nuno Silva,","thumbnail_url":"https://www.ebooknetworking.net/books/038/700/big0387008926.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0387008926.html\">Berkeley Problems in Mathematics (Problem Books in Mathematics)</a>","width":400,"height":300}