{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Moscow Math Circle: Week-by-Week Problem Sets (MSRI Mathematical Circles Library)","author_name":"Sergey Dorichenko","thumbnail_url":"https://www.ebooknetworking.net/books/082/186/big0821868748.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821868748.html\">A Moscow Math Circle: Week-by-Week Problem Sets (MSRI Mathematical Circles Library)</a>","width":400,"height":300}