{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Problems and Theorems in Classical Set Theory (Problem Books in Mathematics)","author_name":"Peter Komjath, Vilmos Totik","thumbnail_url":"https://www.ebooknetworking.net/books/038/730/big038730293X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-038730293X.html\">Problems and Theorems in Classical Set Theory (Problem Books in Mathematics)</a>","width":400,"height":300}