{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Über die Lösung der unbestimmten Probleme zweiten Grades (German Edition)","author_name":"Joseph Louis Lagrange","thumbnail_url":"https://www.ebooknetworking.net/books/142/123/big1421233290.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1421233290.html\">Über die Lösung der unbestimmten Probleme zweiten Grades (German Edition)</a>","width":400,"height":300}