{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Fourier Analysis and Approximation of Functions","author_name":"Roald M. Trigub, Eduard S. Belinsky","thumbnail_url":"https://www.ebooknetworking.net/books/904/816/big9048166411.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9048166411.html\">Fourier Analysis and Approximation of Functions</a>","width":400,"height":300}