{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Method of Trigonometrical Sums in the Theory of Numbers (Dover Books on Mathematics)","author_name":"I. M. Vinogradov, Mathematics","thumbnail_url":"https://www.ebooknetworking.net/books/048/643/big0486438783.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486438783.html\">The Method of Trigonometrical Sums in the Theory of Numbers (Dover Books on Mathematics)</a>","width":400,"height":300}