{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Extremal Problems for Finite Sets (Student Mathematical Library) (Student Mathematical Library, 86)","author_name":"Peter Frankl","thumbnail_url":"https://www.ebooknetworking.net/books/147/044/big1470440393.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1470440393.html\">Extremal Problems for Finite Sets (Student Mathematical Library) (Student Mathematical Library, 86)</a>","width":400,"height":300}