{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Graphs on Surfaces and Their Applications","author_name":"Sergei K. Lando, Alexander K. Zvonkin","thumbnail_url":"https://www.ebooknetworking.net/books/354/000/big3540002030.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3540002030.html\">Graphs on Surfaces and Their Applications</a>","width":400,"height":300}