{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Descriptive Set Theory of Polish Group Actions (London Mathematical Society Lecture Note Series)","author_name":"Howard Becker, Alexander S. Kechris","thumbnail_url":"https://www.ebooknetworking.net/books/052/157/big0521576059.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521576059.html\">The Descriptive Set Theory of Polish Group Actions (London Mathematical Society Lecture Note Series)</a>","width":400,"height":300}