{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Variational Methods in Optimum Control Theory","author_name":"Iu. P. Petrov","thumbnail_url":"https://www.ebooknetworking.net/books/012/411/big0124110843.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0124110843.html\">Variational Methods in Optimum Control Theory</a>","width":400,"height":300}