{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Essay on the Psychology of Invention in the Mathematical Field","author_name":"Jacques Hadamard","thumbnail_url":"https://www.ebooknetworking.net/books/140/676/big1406764191.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1406764191.html\">An Essay on the Psychology of Invention in the Mathematical Field</a>","width":400,"height":300}