{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Connectedness and Necessary Conditions for an Extremum (Mathematics and Its Applications (closed))","author_name":"Alexey Abramov","thumbnail_url":"https://www.ebooknetworking.net/books/904/814/big9048149819.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9048149819.html\">Connectedness and Necessary Conditions for an Extremum (Mathematics and Its Applications (closed))</a>","width":400,"height":300}