{"product_id":"fourier-series-with-respect-to-general-orthogonal-systems-von-a-olevskii","title":"Fourier Series with Respect to General Orthogonal Systems","description":"The fundamental problem of the theory of Fourier series consists of the investigation of the connections between the metric properties of the function expanded, the behavior of its Fourier coefficients {cn} with respect to an ortho normal system of functions {\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9783642660580\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9783642660580","offer_id":39444658290781,"sku":"9783642660580","price":53.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/fda8207f-9019-43f6-9263-4c4dc098157d.jpg?v=1772086260","url":"https:\/\/shop.autorenwelt.de\/en\/products\/fourier-series-with-respect-to-general-orthogonal-systems-von-a-olevskii","provider":"Autorenwelt Shop","version":"1.0","type":"link"}