1. Hypercontractions and subnormality;Agler;J. Operator Theory,1985
2. Characterization of some Harnack parts of contractions;Ando;J. Operator Theory,1979
3. Subalgebras of C⁎-algebras;Arveson;Acta Math.,1969
4. The Kernel Function and Conformal Mapping;Bergman,1970
5. Über vertauschbare Kontractionen des Hilbertschen Raumen;Brehmer;Acta Sci. Math.,1961