{"product_id":"beck-matthias-the-art-of-proof-basic-training-for-deeper-mathematics-undergraduate-texts-in-mathematics-9781441970220","title":"The Art of Proof: Basic Training for Deeper Mathematics (Undergraduate Texts in Mathematics)","description":null,"brand":"Springer","offers":[{"title":"Used - very good","offer_id":53529752109398,"sku":"9781441970220-V","price":20.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9781441970220_1_9db6d677-caea-4e09-ad2b-421a764e8170.jpg?v=1778256597","url":"https:\/\/www.momoxbooks.com\/products\/beck-matthias-the-art-of-proof-basic-training-for-deeper-mathematics-undergraduate-texts-in-mathematics-9781441970220","provider":"momoxbooks","version":"1.0","type":"link"}