{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Primer on the Calculus of Variations and Optimal Control Theory (Student Mathematical Library)","author_name":"Mike Mesterton-Gibbons","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821847724.html\">A Primer on the Calculus of Variations and Optimal Control Theory (Student Mathematical Library)</a>","width":400,"height":300}