{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Combinatorial Theory (Classics in Mathematics)","author_name":"Martin Aigner","thumbnail_url":"https://www.ebooknetworking.net/books/354/061/big3540617876.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3540617876.html\">Combinatorial Theory (Classics in Mathematics)</a>","width":400,"height":300}