{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tables of the digamma and trigamma functions","author_name":"Pairman Eleanor","thumbnail_url":"https://www.ebooknetworking.net/books/117/226/big1172263221.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1172263221.html\">Tables of the digamma and trigamma functions</a>","width":400,"height":300}