{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Groups and Geometric Analysis (Integral Geometry, Invariant Differential Operators and Spherical Functions).","author_name":"Sigurdur Helgason","thumbnail_url":"https://www.ebooknetworking.net/books/082/182/big0821826735.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821826735.html\">Groups and Geometric Analysis (Integral Geometry, Invariant Differential Operators and Spherical Functions).</a>","width":400,"height":300}