{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Researches in the calculus of variations, principally on the theory of discontinuous solutions; an essay to which the Adams prize was awarded in the University of Cambridge in 1871","author_name":"Isaac Todhunter","thumbnail_url":"https://www.ebooknetworking.net/books/123/646/big1236466705.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1236466705.html\">Researches in the calculus of variations, principally on the theory of discontinuous solutions; an essay to which the Adams prize was awarded in the University of Cambridge in 1871</a>","width":400,"height":300}