{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Frequency Methods in Oscillation Theory (Mathematics and Its Applications, 357)","author_name":"Leonov, G.A.","thumbnail_url":"https://www.ebooknetworking.net/books/079/233/big0792338960.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0792338960.html\">Frequency Methods in Oscillation Theory (Mathematics and Its Applications, 357)</a>","width":400,"height":300}