{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lectures on ordinary differential equations. 2 ed / Lektsii po obyknovennym differentsialnym uravneniyam. 2-e izd","author_name":"V. I. Dmitriev","thumbnail_url":"https://www.ebooknetworking.net/books/598/227/big598227531X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-598227531X.html\">Lectures on ordinary differential equations. 2 ed / Lektsii po obyknovennym differentsialnym uravneniyam. 2-e izd</a>","width":400,"height":300}