{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The History of Approximation Theory: From Euler to Bernstein","author_name":"Karl-Georg Steffens","thumbnail_url":"https://www.ebooknetworking.net/books/081/764/big0817643532.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0817643532.html\">The History of Approximation Theory: From Euler to Bernstein</a>","width":400,"height":300}