{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Change and Variations: A History of Differential Equations to 1900 (Springer Undergraduate Mathematics Series)","author_name":"Gray, Jeremy","thumbnail_url":"https://www.ebooknetworking.net/books/303/070/big3030705749.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3030705749.html\">Change and Variations: A History of Differential Equations to 1900 (Springer Undergraduate Mathematics Series)</a>","width":400,"height":300}