{"product_id":"avner-friedman-variational-principles-and-free-boundary-problems-pure-applied-mathematics-monograph-9780471868491","title":"Variational Principles and Free-boundary Problems (Pure \u0026 Applied Mathematics Monograph)","description":null,"brand":"John Wiley \u0026 Sons Inc","offers":[{"title":"Default Title","offer_id":53738185294166,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/www.momoxbooks.com\/products\/avner-friedman-variational-principles-and-free-boundary-problems-pure-applied-mathematics-monograph-9780471868491","provider":"momoxbooks","version":"1.0","type":"link"}