{"product_id":"calculus-of-variations-9780486414485","title":"Calculus of Variations","description":"\u003cp\u003eFresh, lively text serves as a modern introduction to the subject, with applications to the mechanics of systems with a finite number of degrees of freedom. \u003cbr\u003e Ideal for math and physics students.\u003c\/p\u003e","brand":"I.M. Gelfand","offers":[{"title":"Default Title","offer_id":56512289571158,"sku":"9780486414485","price":15.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9780486414485.jpg?v=1794090166","url":"https:\/\/www.bookshop.lv\/products\/calculus-of-variations-9780486414485","provider":"Bookshop","version":"1.0","type":"link"}