{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Partial differential equations in physics: 6 (Pure and Applied Mathematics)","author_name":"Arnold Sommerfeld","thumbnail_url":"https://www.ebooknetworking.net/books/B00/FJ6/bigB00FJ6RXK0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00FJ6RXK0.html\">Partial differential equations in physics: 6 (Pure and Applied Mathematics)</a>","width":400,"height":300}