{"product_id":"9780387766577","title":"Sign-Changing Critical Point Theory","description":"\u003cp\u003eSign-changing critical point theory has emerged as a new area of rich research on critical points of a differentiable functional with important applications to nonlinear elliptic PDEs.Key features of this book: (1) Self-contained in-depth treatment of sign-changing critical point theory;\u003c\/p\u003e","brand":"Springer","offers":[{"title":"Default Title","offer_id":48682655973611,"sku":"00000_00000_00000_00000","price":201.41,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780387766577-1.jpg?v=1785760702","url":"https:\/\/kinokuniya.com.sg\/ja\/products\/9780387766577","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}