{"product_id":"d-elsgolc-lev-calculus-of-variations-dover-books-on-mathematics-9780486457994","title":"Calculus of Variations (Dover Books on Mathematics)","description":null,"brand":"Dover Publications Inc.","offers":[{"title":"Default Title","offer_id":53717739405654,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/www.momoxbooks.com\/products\/d-elsgolc-lev-calculus-of-variations-dover-books-on-mathematics-9780486457994","provider":"momoxbooks","version":"1.0","type":"link"}