{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tables of the digamma and trigamma functions","author_name":"Eleanor. Pairman","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3Z6/bigB003Z6PLN2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003Z6PLN2.html\">Tables of the digamma and trigamma functions</a>","width":400,"height":300}