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Atualizado em 13/05/2026 · De todos da iMusic
![Cover for Friedrich Sauvigny · Spektraltheorie selbstadjungierter Operatoren im Hilbertraum und elliptischer Differentialoperatoren (Paperback Book) [1. Aufl. 2019 edition] (2018)](https://imusic.b-cdn.net/images/item/original/684/9783662580684.jpg?friedrich-sauvigny-2018-spektraltheorie-selbstadjungierter-operatoren-im-hilbertraum-und-elliptischer-differentialoperatoren-paperback-book&class=scaled&v=1549097980)
![Cover for Friedrich Sauvigny · Partial Differential Equations 2: Functional Analytic Methods - Universitext (Paperback Book) [2nd ed. 2012 edition] (2012)](https://imusic.b-cdn.net/images/item/original/837/9781447129837.jpg?friedrich-sauvigny-2012-partial-differential-equations-2-functional-analytic-methods-universitext-paperback-book&class=scaled&v=1596430651)
![Cover for Friedrich Sauvigny · Partial Differential Equations 1: Foundations and Integral Representations - Universitext (Paperback Book) [2nd ed. 2012 edition] (2012)](https://imusic.b-cdn.net/images/item/original/806/9781447129806.jpg?friedrich-sauvigny-2012-partial-differential-equations-1-foundations-and-integral-representations-universitext-paperback-book&class=scaled&v=1597769768)
![Cover for Friedrich Sauvigny · Partielle Differentialgleichungen Der Geometrie Und Der Physik 2: Funktionalanalytische Losungsmethoden (Paperback Book) [German, 2005 edition] (2005)](https://imusic.b-cdn.net/images/item/original/073/9783540231073.jpg?friedrich-sauvigny-2005-partielle-differentialgleichungen-der-geometrie-und-der-physik-2-funktionalanalytische-losungsmethoden-paperback-book&class=scaled&v=1596760925)
![Cover for Friedrich Sauvigny · Partielle Differentialgleichungen Der Geometrie Und Der Physik 1: Grundlagen Und Integraldarstellungen (Paperback Book) [German, 2004 edition] (2004)](https://imusic.b-cdn.net/images/item/original/534/9783540204534.jpg?friedrich-sauvigny-2004-partielle-differentialgleichungen-der-geometrie-und-der-physik-1-grundlagen-und-integraldarstellungen-paperback-book&class=scaled&v=1501971496)