{"product_id":"9780306449932","title":"Surveys in Applied Mathematics (Surveys in Applied Mathematics, Vol 1) \u003c001\u003e","description":"\u003cp\u003eThis article is devoted to a particular method, called the \"ray method,\" for the asymptotic solution of problems for linear partial differential equations governing wave propagation.\u003c\/p\u003e","brand":"Plenum Pub Corp","offers":[{"title":"Default Title","offer_id":49093433557219,"sku":"00000_00000_00000_00000","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/3758\/6147\/files\/9780306449932-1.jpg?v=1788503469","url":"https:\/\/usa.kinokuniya.com\/products\/9780306449932","provider":"Books Kinokuniya USA","version":"1.0","type":"link"}