{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A variational principle for periodic waves of infinite depth","author_name":"Ellen R Gottlieb","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AUG/bigB00AUG8AAQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AUG8AAQ.html\">A variational principle for periodic waves of infinite depth</a>","width":400,"height":300}