{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"2000 Problemas resueltos de matemática discreta","author_name":"Marc Lars Lipson","thumbnail_url":"https://www.ebooknetworking.net/books/844/814/big8448142780.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-8448142780.html\">2000 Problemas resueltos de matemática discreta</a>","width":400,"height":300}