{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Functional Equations and Inequalities in Several Variables","author_name":"Czerwik, Stefan","thumbnail_url":"https://www.ebooknetworking.net/books/981/024/big9810248377.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9810248377.html\">Functional Equations and Inequalities in Several Variables</a>","width":400,"height":300}