{"product_id":"3760039839442","title":"Debussy: Les 3 Sonates","description":"V knige izlozheny mnogochislennye rezul'taty, kharakterizuyushchie v obshchikh konstruktivnykh terminakh osnovnye svoystva periodicheskikh funktsiy odnoy i neskol'kikh deystvitel'nykh peremennykh. Privedeny nekotorye vazhnye polozheniya iz teorii trigonometricheskikh ryadov i teorii approksimatsii funktsiy. Krome rezul'tatov, poluchennykh izvestnymi matematikami za poslednie neskol'ko desyatiletiy, privodyatsya issledovaniya avtora po rassmatrivaemym v knige voprosam, pridayushchie im, v opredelennom smysle, zakonchennyy kharakter. Soderzhanie knigi predstavlyaet interes dlya matematikov, spetsializiruyushchikhsya v oblasti konstruktivnoy teorii funktsiy deystvitel'nogo peremennogo, teorii ortogonal'nykh ryadov funktsional'nogo analiza, a takzhe aspirantov i prepodavateley matematicheskikh fakul'tetov universitetov.","brand":"Nana Ozaki","offers":[{"title":"Default Title","offer_id":47089116578032,"sku":"3760039839442","price":18.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/3760039839442_p0.jpg?v=1763598227","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/3760039839442","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}