{"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":49662041915640,"sku":"00000_00000_00000_00000","price":215.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/8208\/6904\/files\/9780306449932-1.jpg?v=1785365274","url":"https:\/\/kinokuniya.com.au\/zh\/products\/9780306449932","provider":"Books Kinokuniya Australia","version":"1.0","type":"link"}