{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Perturbation Theory for Fermi-Pasta-Ulam Chains: A Case Study in KAM Theory","author_name":"Andreas Henrici","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3838105036.html\">Perturbation Theory for Fermi-Pasta-Ulam Chains: A Case Study in KAM Theory</a>","width":400,"height":300}