{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Theory of Functions of a Real Variable","author_name":"Isidor Pavlovich Natanson","thumbnail_url":"https://www.ebooknetworking.net/books/125/864/big1258648318.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1258648318.html\">Theory of Functions of a Real Variable</a>","width":400,"height":300}