{"product_id":"9780486658407","title":"Tensors, Differential Forms and Variational Principles","description":"\u003cp\u003eIncisive, self-contained account of tensor analysis and the calculus of exterior differential forms, interaction between the concept of invariance and the calculus of variations. Emphasis is on analytical techniques. Includes problems.\u003c\/p\u003e","brand":"Dover Publications Inc.","offers":[{"title":"Default Title","offer_id":48678477922539,"sku":"00000_00000_00000_00000","price":45.76,"currency_code":"SGD","in_stock":true}],"url":"https:\/\/kinokuniya.com.sg\/zh\/products\/9780486658407","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}