%0 Article %A Fialkow Lawrence A. %D 1980 %G English %B Acta scientiarum mathematicarum %@ 0001-6969 %T Weighted shifts quasisimilar to quasinilpotent operators %U http://acta.bibl.u-szeged.hu/14750/1/math_042_fasc_001_002_071-079.pdf