01067nam0-22003491i-450-9900013304804033213-7643-2532-1000133048FED01000133048(Aleph)000133048FED0100013304820000920d1990----km-y0itay50------baengTopics in Operator TheoryErnst D. Hellinger memorial volumeVolume Editors L. de Branges, I. Gohberg, J. Rovnyak.BaselBirkhauser1990.448 p.24 cmOperator theory, advances and applications48Teoria degli operatoriMatematici20. sec. - hellinger e. d. - memorie515.724De Branges,LouisGohberg,Israel<1928-2009>Hellinger,Ernst D.Rovnyak,J.ITUNINARICAUNIMARCBK990001330480403321C-5-(488072MA1MA1Topics in Operator Theory345705UNINAING01