{"product_id":"the-qualitative-theory-of-ordinary-differential-equations-9780486658469","title":"The Qualitative Theory of Ordinary Differential Equations","description":"Superb, self-contained graduate-level text covers standard theorems concerning linear systems, existence and uniqueness of solutions, and dependence on parameters. Focuses on stability theory and its applications to oscillation phenomena, self-excited oscillations, more. Includes exercises.\u003cbr\u003e\u003cbr\u003e","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":50523172897042,"sku":"9780486658469","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_f8ed620e-417a-4c15-9dd9-125f60fca5a6.jpg?v=1731139509","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-qualitative-theory-of-ordinary-differential-equations-9780486658469","provider":"Surprise Castle","version":"1.0","type":"link"}