Feldman Nathan S.; Miller Vivien Glass; Miller Thomas Len: Hypercyclic and supercyclic cohyponormal operators. In: Acta scientiarum mathematicarum, (68) 1-2. pp. 303-328. (2002)
Feldman Nathan S.; Miller Vivien Glass; Miller Thomas Len: Hypercyclic and supercyclic cohyponormal operators. In: Acta scientiarum mathematicarum, (68) 3-4. pp. 965-990. (2002)