{"product_id":"9780353228344","title":"Hill's Equation. II: Transformations, Approximation, Examples","description":"Hill's Equation. II: Transformations, Approximation, Examples - W. Magnus","brand":"INGRAM","offers":[{"title":"Paperback","offer_id":46598703218919,"sku":"9780353228344","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/6942\/5895\/products\/9780353228344.webp?v=1680992036","url":"https:\/\/shop.tertulia.com\/products\/9780353228344","provider":"Tertulia","version":"1.0","type":"link"}