{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Extremum Problems for Eigenvalues of Elliptic Operators (Frontiers in Mathematics)","author_name":"Antoine Henrot,","thumbnail_url":"https://www.ebooknetworking.net/books/376/437/big3764377054.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3764377054.html\">Extremum Problems for Eigenvalues of Elliptic Operators (Frontiers in Mathematics)</a>","width":400,"height":300}