{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Variational Principles in the Theory of Collisions.","author_name":"Yu. N. Demkov","thumbnail_url":"https://www.ebooknetworking.net/books/B00/00C/bigB0000CLX12.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0000CLX12.html\">Variational Principles in the Theory of Collisions.</a>","width":400,"height":300}