{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Variational Principles for Second Order Differential Equations: Application of the Spencer Theory to Characterize Variational Sprays","author_name":"Joseph Grifone, Zoltan Muzsnay","thumbnail_url":"https://www.ebooknetworking.net/books/981/023/big9810237340.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9810237340.html\">Variational Principles for Second Order Differential Equations: Application of the Spencer Theory to Characterize Variational Sprays</a>","width":400,"height":300}