{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"First course in the theory of equations","author_name":"Leonard Eugene Dicksonon","thumbnail_url":"https://www.ebooknetworking.net/books/117/763/big117763189X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-117763189X.html\">First course in the theory of equations</a>","width":400,"height":300}