{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Multiple Integrals in the Calculus of Variations (Classics in Mathematics)","author_name":"Charles Bradfield Morrey Jr.","thumbnail_url":"https://www.ebooknetworking.net/books/354/069/big3540699155.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3540699155.html\">Multiple Integrals in the Calculus of Variations (Classics in Mathematics)</a>","width":400,"height":300}