{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Singularities of Differentiable Maps, Volume 1: Classification of Critical Points, Caustics and Wave Fronts (Modern Birkhäuser Classics)","author_name":"V.I. Arnold, S.M. Gusein-Zade, Alexander N. Varchenko","thumbnail_url":"https://www.ebooknetworking.net/books/081/768/big0817683399.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0817683399.html\">Singularities of Differentiable Maps, Volume 1: Classification of Critical Points, Caustics and Wave Fronts (Modern Birkhäuser Classics)</a>","width":400,"height":300}