{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Fourier's series;: The genesis and evolution of a theory. The first Herbert Ellsworth Slaught memorial paper","author_name":"Rudolph Ernest Langer","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07D/bigB0007DVQEY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007DVQEY.html\">Fourier&#039;s series;: The genesis and evolution of a theory. The first Herbert Ellsworth Slaught memorial paper</a>","width":400,"height":300}