{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Operatsionnoe ischislenie po dvum peremennym i ego prilozheniia.","author_name":"Prudnikov A. P. Ditkin V. A.","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01FCQ4S36.html\">Operatsionnoe ischislenie po dvum peremennym i ego prilozheniia.</a>","width":400,"height":300}